Half-Life Cheat Codes

🌀 Dreamcast

Options -> Enter Codes:

Cheat Codes

ACTIONS IGNORE SILENCE - Slow Motion
OTIS LOVES DREAMCAST - Invulnerability
FILES IF ACTIONS - Ghost Mode
GRAVITY GIVES FIREPOWER - Flying Mode
SOLDIERS IGNORE GORDON - Invisibility
GORDON IGNORE EXPLOSIVES - Lock and Load
DREAMCAST IGNORE FILES - Shopping Trip
HARD EATS GORDON - Full Chewies
DREAMCAST LOVES HEADCRABS - Get Well Soon
GORDON ABHORS GRAVITY - Low Gravity
DREAMCAST GIVES FIREPOWER - Infinite Ammo

Half-Life Level Codes

GORDON GOES TO WORK - Anomalous Materials
GORDON TEACHES PHYSICS - Unforeseen Consequences
FILES AND FEAR - Office Complex
SOLDIERS VISIT BLACK MESA - We've Got Hostiles
SAFE AND SOUND - Blast Pit
BIG IS BEAUTIFUL - Power Up
TRAINS AND ROCKETS - On a Rail
FEAR FINDS GORDON - Apprehension
RECYCLE OR DIE - Residue Processing
REGRESSION BRINGS PROGRESS - Questionable Ethics
COMBAT AND DEATH - Surface Tension
SOLDIERS EAT TACOS - Forget About Freeman
SCIENTISTS AT WORK - Lambda Core
FEAR AND GRAVITY - Xen
PANIC IN XEN - Interloper
XENOPHOBIA AND FIREPOWER - Gonarch's Lair
PANIC AND DIE - Nihilanth
ANSWERS BEGET QUESTIONS - Endgame

Blue Shift Level Codes

BARNEY GOES TO WORK - Insecurity
RED IS SCARY - Duty Calls
COMBAT AND TRAINS - Captive Freight
BARNEY VISITS XEN - Focal Point
POWER IS PROGRESS - Power Struggle
PHYSICS IS BEAUTIFUL - A Leap of Faith

🎮 PlayStation 2

Options -> Cheat Codes -> Enter Cheat:

↑ △ ↓ ✕ ↑ △ ↓ ✕ - Xen Gravity
← ▢ ↑ △ → 〇 ↓ ✕ - Invincibility
↓ ✕ ← 〇 ↓ ✕ ← 〇 - Infinite Ammo
← ▢ → 〇 ← ▢ → 〇 - Invisibility
→ ▢ ↑ △ → ▢ ↑ △ - Slow Motion
↑ △ ↑ △ ↑ △ ↑ △ - Alien Mode
△ ▢ ← → 〇 ✕ ↑ ↓ - Extras Menu Unlocked
R3² L3 ↑ ↑ ↓² ↓² ← → ←² →² ✕ 〇 - Decay Unlocked

Buttons with ² should be pressed on 2nd controller

Press ⧐ to apply entered code