diff --git a/scripts/validate.js b/scripts/validate.js
index db534d18f..45e8ac223 100644
--- a/scripts/validate.js
+++ b/scripts/validate.js
@@ -8,7 +8,7 @@ const dataFiles = [
   'a20.json'
 ];
 
-const hasError = false;
+let hasError = false;
 for (const dataFile of dataFiles) {
   const songData = require(`../src/songs/${dataFile}`);
   const result = validateJSONSchema(songData, songsSchema, {
diff --git a/songs.schema.json b/songs.schema.json
index 25991a347..fa9f1c476 100644
--- a/songs.schema.json
+++ b/songs.schema.json
@@ -94,7 +94,6 @@
     "required": [
       "name",
       "artist",
-      "genre",
       "double",
       "artist_translation",
       "bpm",
@@ -128,6 +127,9 @@
             },
             "extra_exclusive": {
               "type": "boolean"
+            },
+            "unlock": {
+              "type": "boolean"
             }
           },
           "required": ["difficulty", "step", "shock", "freeze"]
diff --git a/src/assets/i18n.json b/src/assets/i18n.json
index 82eb6f697..470a97ce7 100644
--- a/src/assets/i18n.json
+++ b/src/assets/i18n.json
@@ -23,7 +23,7 @@
       "hide": "Hide Controls",
       "invalid": "Couldn't draw anything with current settings!",
       "unlock": "Unlockable songs",
-      "tempUnlock": "Formerly unlockable (SDVX)",
+      "tempUnlock": "Formerly unlockable (SDVX, DRS, etc)",
       "goldExclusive": "20th Gold Cab Exclusive",
       "extraExclusive": "Final/Extra Exclusive",
       "usLocked": "Japan-only songs",
diff --git a/src/assets/jackets/Afterimage_d'automne.jpg b/src/assets/jackets/Afterimage_d'automne.jpg
new file mode 100644
index 000000000..2b169b50c
Binary files /dev/null and b/src/assets/jackets/Afterimage_d'automne.jpg differ
diff --git a/src/assets/jackets/BLACK_JACKAL.jpg b/src/assets/jackets/BLACK_JACKAL.jpg
new file mode 100644
index 000000000..588697c6f
Binary files /dev/null and b/src/assets/jackets/BLACK_JACKAL.jpg differ
diff --git a/src/assets/jackets/Crazy_Shuffle.png b/src/assets/jackets/Crazy_Shuffle.png
new file mode 100644
index 000000000..defc1cbf7
Binary files /dev/null and b/src/assets/jackets/Crazy_Shuffle.png differ
diff --git a/src/assets/jackets/DOWNER_&_UPPER.png b/src/assets/jackets/DOWNER_&_UPPER.png
new file mode 100644
index 000000000..c08006fc4
Binary files /dev/null and b/src/assets/jackets/DOWNER_&_UPPER.png differ
diff --git a/src/assets/jackets/Haunted_maid_lunch.png b/src/assets/jackets/Haunted_maid_lunch.png
new file mode 100644
index 000000000..d3c0cb6a0
Binary files /dev/null and b/src/assets/jackets/Haunted_maid_lunch.png differ
diff --git a/src/assets/jackets/Midnight_WAR.png b/src/assets/jackets/Midnight_WAR.png
new file mode 100644
index 000000000..e8540a9f7
Binary files /dev/null and b/src/assets/jackets/Midnight_WAR.png differ
diff --git a/src/assets/jackets/Mikansei_no_jouki_kudou_otome.png b/src/assets/jackets/Mikansei_no_jouki_kudou_otome.png
new file mode 100644
index 000000000..12af16d32
Binary files /dev/null and b/src/assets/jackets/Mikansei_no_jouki_kudou_otome.png differ
diff --git a/src/assets/jackets/Oh_my!_Lovely!_Sweety!_Darling!.jpg b/src/assets/jackets/Oh_my!_Lovely!_Sweety!_Darling!.jpg
new file mode 100644
index 000000000..31bbd99df
Binary files /dev/null and b/src/assets/jackets/Oh_my!_Lovely!_Sweety!_Darling!.jpg differ
diff --git a/src/assets/jackets/OurMemories.png b/src/assets/jackets/OurMemories.png
new file mode 100644
index 000000000..06424502e
Binary files /dev/null and b/src/assets/jackets/OurMemories.png differ
diff --git a/src/assets/jackets/Rampage_Hero.png b/src/assets/jackets/Rampage_Hero.png
new file mode 100644
index 000000000..8577f0fd8
Binary files /dev/null and b/src/assets/jackets/Rampage_Hero.png differ
diff --git a/src/assets/jackets/SWEET_HOME_PARTY.png b/src/assets/jackets/SWEET_HOME_PARTY.png
new file mode 100644
index 000000000..8c4d38305
Binary files /dev/null and b/src/assets/jackets/SWEET_HOME_PARTY.png differ
diff --git a/src/assets/jackets/Saishou_sanbai_kanzensuu.jpg b/src/assets/jackets/Saishou_sanbai_kanzensuu.jpg
new file mode 100644
index 000000000..9e91738e2
Binary files /dev/null and b/src/assets/jackets/Saishou_sanbai_kanzensuu.jpg differ
diff --git a/src/assets/jackets/Six_String_Proof.jpg b/src/assets/jackets/Six_String_Proof.jpg
new file mode 100644
index 000000000..9f2e82a9c
Binary files /dev/null and b/src/assets/jackets/Six_String_Proof.jpg differ
diff --git a/src/assets/jackets/Small_Steps.png b/src/assets/jackets/Small_Steps.png
new file mode 100644
index 000000000..dd41b19c7
Binary files /dev/null and b/src/assets/jackets/Small_Steps.png differ
diff --git a/src/assets/jackets/The_World_Ends_Now.png b/src/assets/jackets/The_World_Ends_Now.png
new file mode 100644
index 000000000..2cdf06dfa
Binary files /dev/null and b/src/assets/jackets/The_World_Ends_Now.png differ
diff --git a/src/assets/jackets/Toy_boxer.jpg b/src/assets/jackets/Toy_boxer.jpg
new file mode 100644
index 000000000..0d6d61d8d
Binary files /dev/null and b/src/assets/jackets/Toy_boxer.jpg differ
diff --git a/src/assets/jackets/Trill_auf_G.jpg b/src/assets/jackets/Trill_auf_G.jpg
new file mode 100644
index 000000000..520cf0426
Binary files /dev/null and b/src/assets/jackets/Trill_auf_G.jpg differ
diff --git a/src/assets/jackets/Une_mage_blanche.png b/src/assets/jackets/Une_mage_blanche.png
new file mode 100644
index 000000000..a53c86cae
Binary files /dev/null and b/src/assets/jackets/Une_mage_blanche.png differ
diff --git a/src/assets/jackets/Voltississimo.jpg b/src/assets/jackets/Voltississimo.jpg
new file mode 100644
index 000000000..adbc9867a
Binary files /dev/null and b/src/assets/jackets/Voltississimo.jpg differ
diff --git a/src/card-draw.js b/src/card-draw.js
index fbfec5a07..45103642c 100644
--- a/src/card-draw.js
+++ b/src/card-draw.js
@@ -48,6 +48,7 @@ export function draw(songs, configData) {
       if (
         !chart || // no chart for difficulty
         !difficulties.has(key) || // don't want this difficulty
+        (!inclusions.has("unlock") && chart["unlock"]) || // chart must be individually unlocked
         (!inclusions.has("usLocked") && chart["us_locked"]) || // chart is locked for us
         (!inclusions.has("extraExclusive") && chart["extra_exclusive"]) || // chart is extra/final exclusive
         +chart.difficulty < lowerBound || // too easy
diff --git a/src/footer.jsx b/src/footer.jsx
index a5e65f158..f081d7776 100644
--- a/src/footer.jsx
+++ b/src/footer.jsx
@@ -21,7 +21,8 @@ function Icon({ src, title }) {
 }
 
 const lastUpdate = new Intl.DateTimeFormat(detectedLanguage).format(
-  new Date(2019, 8, 15)
+  // note that month is zero-indexed for date constructor :)
+  new Date(2019, 9, 22)
 );
 
 export function Footer() {
diff --git a/src/song-card.css b/src/song-card.css
index 6e3b52c99..b476bfb6d 100644
--- a/src/song-card.css
+++ b/src/song-card.css
@@ -8,7 +8,7 @@
   cursor: pointer;
   display: flex;
   flex-direction: column;
-  min-height: 100px;
+  min-height: 130px;
   color: white;
   text-shadow: 0px 0px 10px black, 1px 1px 1px black;
   font-family: Evogria, 'Russo One', Arial, 'Helvetica Neue', Helvetica, sans-serif;
diff --git a/src/songs/a20.json b/src/songs/a20.json
index bf97f77ef..7380f209c 100644
--- a/src/songs/a20.json
+++ b/src/songs/a20.json
@@ -1,4 +1,1047 @@
 [
+  {
+    "name": "未完成ノ蒸氣驅動乙女",
+    "name_translation": "Mikansei no jouki kudou otome",
+    "jacket": "Mikansei_no_jouki_kudou_otome.png",
+    "bpm": "85-170",
+    "artist": "U1 overground",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "5",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "13",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "17",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "13",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "17",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "unlock": true,
+    "gold_exclusive": true,
+    "name": "SWEET HOME PARTY",
+    "name_translation": "",
+    "jacket": "SWEET_HOME_PARTY.png",
+    "bpm": "70-180",
+    "artist": "劇団レコード",
+    "artist_translation": "Tomoaki Hirono",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "5",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "8",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "16",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "8",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "16",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "name": "Une mage blanche",
+    "name_translation": "",
+    "jacket": "Une_mage_blanche.png",
+    "bpm": "193",
+    "artist": "Dormir",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "4",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "10",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "13",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "10",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "13",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "name": "ホーンテッド★メイドランチ",
+    "name_translation": "Haunted maid lunch",
+    "jacket": "Haunted_maid_lunch.png",
+    "bpm": "188",
+    "artist": "日向美ビタースイーツ♪",
+    "artist_translation": "Hinata Bitter Sweets ♪",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "4",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "14",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "14",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "unlock": true,
+    "gold_exclusive": true,
+    "name": "Rampage Hero",
+    "name_translation": "",
+    "jacket": "Rampage_Hero.png",
+    "bpm": "200",
+    "artist": "DJ Shimamura",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "4",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "16",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "16",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "unlock": true,
+    "gold_exclusive": true,
+    "name": "The World Ends Now",
+    "name_translation": "",
+    "jacket": "The_World_Ends_Now.png",
+    "bpm": "200",
+    "artist": "Akira Complex",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "4",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "16",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "13",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "16",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "temp_unlock": true,
+    "name": "Crazy Shuffle",
+    "name_translation": "",
+    "jacket": "Crazy_Shuffle.png",
+    "bpm": "128",
+    "artist": "Yooh",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "2",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "5",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "10",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "13",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "5",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "10",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "13",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "temp_unlock": true,
+    "name": "DOWNER & UPPER",
+    "name_translation": "",
+    "jacket": "DOWNER_&_UPPER.png",
+    "bpm": "140",
+    "artist": "BEMANI Sound Team \"DJ TOTTO\"",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "3",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "6",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "13",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "6",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "10",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "13",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "temp_unlock": true,
+    "name": "Small Steps",
+    "name_translation": "",
+    "jacket": "Small_Steps.png",
+    "bpm": "106",
+    "artist": "かめりあ",
+    "artist_translation": "Camellia",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "1",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "4",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "10",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "4",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "10",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "temp_unlock": true,
+    "name": "ミッドナイト☆WAR",
+    "name_translation": "Midnight WAR",
+    "jacket": "Midnight_WAR.jpg",
+    "bpm": "156",
+    "artist": "いちか",
+    "artist_translation": "Ichika",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "3",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "14",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "14",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "temp_unlock": true,
+    "name": "おーまい！らぶりー！すうぃーてぃ！だーりん！",
+    "name_translation": "Oh my! Lovely! Sweety! Darling!",
+    "jacket": "Oh_my!_Lovely!_Sweety!_Darling!.jpg",
+    "bpm": "170",
+    "artist": "BEMANI Sound Team \"PON\" feat.NU-KO",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "3",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "15",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "15",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "temp_unlock": true,
+    "name": "voltississimo",
+    "name_translation": "",
+    "jacket": "Voltississimo.jpg",
+    "bpm": "113-225",
+    "artist": "BEMANI Sound Team \"PHQUASE\"",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "5",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "13",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "17",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "13",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "17",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "temp_unlock": true,
+    "name": "Trill auf G",
+    "name_translation": "",
+    "jacket": "Trill_auf_G.jpg",
+    "bpm": "188",
+    "artist": "BEMANI Sound Team \"dj TAKA\"",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "4",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "8",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "16",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "8",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "16",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "temp_unlock": true,
+    "name": "Toy boxer",
+    "name_translation": "",
+    "jacket": "Toy_boxer.jpg",
+    "bpm": "190",
+    "artist": "BEMANI Sound Team \"S-C-U & SYUNN\"",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "4",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "16",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "8",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "16",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "temp_unlock": true,
+    "name": "Six String Proof",
+    "name_translation": "",
+    "jacket": "Six_String_Proof.jpg",
+    "bpm": "130",
+    "artist": "BEMANI Sound Team \"Yvya × Mutsuhiko Izumi\"",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "2",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "15",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "14",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "temp_unlock": true,
+    "name": "BLACK JACKAL",
+    "name_translation": "",
+    "jacket": "BLACK_JACKAL.jpg",
+    "bpm": "150",
+    "artist": "Akira Complex",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "3",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "15",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "7",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "15",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "temp_unlock": true,
+    "name": "Afterimage d'automne",
+    "name_translation": "",
+    "jacket": "Afterimage_d'automne.jpg",
+    "bpm": "232",
+    "artist": "BEMANI Sound Team \"猫叉劇団\"",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "4",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "8",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "14",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "8",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "15",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
+  {
+    "name": "最小三倍完全数",
+    "name_translation": "the smallest 3-perfect number",
+    "jacket": "Saishou_sanbai_kanzensuu.jpg",
+    "bpm": "55-440",
+    "artist": "DJ TECHNORCH",
+    "artist_translation": "",
+    "folder": "DanceDanceRevolution A20",
+    "single": {
+      "beginner": {
+        "difficulty": "5",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "14",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "17",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "15",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "17",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
   {
     "us_locked": true,
     "name": "PUT YOUR FAITH IN ME (DA's Twinkly Disco Remix)",
@@ -3567,10 +4610,8 @@
       "challenge": null
     }
   },
-
-
   {
-    "us_locked": false,
+    "us_locked": true,
     "unlock": false,
     "name": "The Light",
     "artist": "W&W ft. Kizuna AI",
@@ -4371,6 +5412,77 @@
       "challenge": null
     }
   },
+  {
+    "unlock": true,
+    "name": "#OurMemories",
+    "artist": "DDR ALL FANS",
+    "jacket": "OurMemories.png",
+    "folder": "DanceDanceRevolution A",
+    "artist_translation": "",
+    "name_translation": "",
+    "genre": "",
+    "bpm": "140",
+    "single": {
+      "beginner": {
+        "difficulty": "3",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "6",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": {
+        "unlock": true,
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      }
+    },
+    "double": {
+      "basic": {
+        "difficulty": "6",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": {
+        "unlock": true,
+        "difficulty": "11",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      }
+    }
+  },
   {
     "unlock": true,
     "name": "MAX 360",
@@ -4406,7 +5518,13 @@
         "shock": "0",
         "freeze": "-"
       },
-      "challenge": null
+      "challenge": {
+        "unlock": true,
+        "difficulty": "19",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      }
     },
     "double": {
       "basic": {
@@ -4427,7 +5545,13 @@
         "shock": "0",
         "freeze": "-"
       },
-      "challenge": null
+      "challenge": {
+        "unlock": true,
+        "difficulty": "19",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      }
     }
   },
   {
@@ -4465,7 +5589,13 @@
         "shock": "0",
         "freeze": "-"
       },
-      "challenge": null
+      "challenge": {
+        "unlock": true,
+        "difficulty": "17",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      }
     },
     "double": {
       "basic": {
@@ -4486,7 +5616,13 @@
         "shock": "0",
         "freeze": "-"
       },
-      "challenge": null
+      "challenge": {
+        "unlock": true,
+        "difficulty": "17",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      }
     }
   },
   {
@@ -4524,7 +5660,13 @@
         "shock": "0",
         "freeze": "-"
       },
-      "challenge": null
+      "challenge": {
+        "unlock": true,
+        "difficulty": "18",
+        "step": "-",
+        "shock": "55",
+        "freeze": "-"
+      }
     },
     "double": {
       "basic": {
@@ -4545,7 +5687,13 @@
         "shock": "0",
         "freeze": "-"
       },
-      "challenge": null
+      "challenge": {
+        "unlock": true,
+        "difficulty": "18",
+        "step": "-",
+        "shock": "132",
+        "freeze": "-"
+      }
     }
   },
   {
@@ -4583,7 +5731,13 @@
         "shock": "0",
         "freeze": "-"
       },
-      "challenge": null
+      "challenge": {
+        "unlock": true,
+        "difficulty": "14",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      }
     },
     "double": {
       "basic": {
@@ -4604,7 +5758,13 @@
         "shock": "0",
         "freeze": "-"
       },
-      "challenge": null
+      "challenge": {
+        "unlock": true,
+        "difficulty": "14",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      }
     }
   },
   {
@@ -7446,7 +8606,7 @@
     "folder": "DanceDanceRevolution A"
   },
   {
-    "us_locked": false,
+    "us_locked": true,
     "name": "初音ミクの消失",
     "artist": "cosMo@暴走P feat. 初音ミク",
     "genre": "",
@@ -7515,7 +8675,7 @@
     "folder": "DanceDanceRevolution A"
   },
   {
-    "us_locked": false,
+    "us_locked": true,
     "name": "脳漿炸裂ガール",
     "artist": "れるりり",
     "genre": "",
@@ -7584,7 +8744,7 @@
     "folder": "DanceDanceRevolution A"
   },
   {
-    "us_locked": false,
+    "us_locked": true,
     "name": "幸せになれる隠しコマンドがあるらしい",
     "artist": "うたたP feat. 結月ゆかり",
     "genre": "",
@@ -30263,7 +31423,7 @@
     "folder": "DanceDanceRevolution X3 vs 2nd MIX"
   },
   {
-    "us_locked": false,
+    "us_locked": true,
     "name": "ロストワンの号哭",
     "artist": "Neru",
     "genre": "",
diff --git a/src/songs/ace.json b/src/songs/ace.json
index 3ff9e9d19..fba57cff0 100644
--- a/src/songs/ace.json
+++ b/src/songs/ace.json
@@ -1526,6 +1526,65 @@
       "challenge": null
     }
   },
+  {
+    "unlock": true,
+    "name": "#OurMemories",
+    "artist": "DDR ALL FANS",
+    "jacket": "OurMemories.png",
+    "folder": "DanceDanceRevolution A",
+    "bpm": "140",
+    "artist_translation": "",
+    "name_translation": "",
+    "genre": "",
+    "single": {
+      "beginner": {
+        "difficulty": "3",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "basic": {
+        "difficulty": "6",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    },
+    "double": {
+      "basic": {
+        "difficulty": "6",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "difficult": {
+        "difficulty": "9",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "expert": {
+        "difficulty": "12",
+        "step": "-",
+        "shock": "0",
+        "freeze": "-"
+      },
+      "challenge": null
+    }
+  },
   {
     "unlock": true,
     "name": "MAX 360",