diff --git a/addons/block_code/simple_nodes/simple_character/simple_character.gd b/addons/block_code/simple_nodes/simple_character/simple_character.gd
index 1b4da5f1..674095f2 100644
--- a/addons/block_code/simple_nodes/simple_character/simple_character.gd
+++ b/addons/block_code/simple_nodes/simple_character/simple_character.gd
@@ -14,22 +14,20 @@ const Types = preload("res://addons/block_code/types/types.gd")
 
 @export var speed: Vector2 = Vector2(300, 300)
 
-const PLAYER_KEYS = {
-	"player_1":
+const PLAYER_KEYS = [
 	{
 		"up": KEY_W,
 		"down": KEY_S,
 		"left": KEY_A,
 		"right": KEY_D,
 	},
-	"player_2":
 	{
 		"up": KEY_UP,
 		"down": KEY_DOWN,
 		"left": KEY_LEFT,
 		"right": KEY_RIGHT,
 	}
-}
+]
 
 const PLAYER_JOYSTICK_BUTTONS = {
 	"up": JOY_BUTTON_DPAD_UP,
@@ -121,27 +119,26 @@ func _setup_actions():
 	if Engine.is_editor_hint() or InputMap.has_action("player_1_left"):
 		return
 
-	for player in PLAYER_KEYS:
-		for action in PLAYER_KEYS[player]:
+	for i in PLAYER_KEYS.size():
+		for action in PLAYER_KEYS[i]:
+			var player = "player_%d" % [i + 1]
 			var action_name = player + "_" + action
 			InputMap.add_action(action_name)
 
-			var device = int(player.split("_")[-1]) - 1
-
 			#keyboard event
 			var e = InputEventKey.new()
-			e.physical_keycode = PLAYER_KEYS[player][action]
+			e.physical_keycode = PLAYER_KEYS[i][action]
 			InputMap.action_add_event(action_name, e)
 
 			#controller d-pad event
 			var ej = InputEventJoypadButton.new()
-			ej.device = device
+			ej.device = i
 			ej.button_index = PLAYER_JOYSTICK_BUTTONS[action]
 			InputMap.action_add_event(action_name, ej)
 
 			#controller left stick event
 			var ejm = InputEventJoypadMotion.new()
-			ejm.device = device
+			ejm.device = i
 			ejm.axis = PLAYER_JOYSTICK_MOTION[action]["axis"]
 			ejm.axis_value = PLAYER_JOYSTICK_MOTION[action]["axis_value"]
 			InputMap.action_add_event(action_name, ejm)
@@ -163,7 +160,7 @@ func move_with_player_buttons(player: String, kind: String, delta: float):
 		if not is_on_floor():
 			velocity.y += gravity * delta
 		else:
-			if not _jumping and Input.is_physical_key_pressed(PLAYER_KEYS[player]["up"]):
+			if not _jumping and direction.y < 0:
 				_jumping = true
 				velocity.y -= speed.y
 			else: