Game Clock Runs Faster
D2CT-CADY
Game Clock Runs Slower
SACT-CADY
Game Clock Runs Much Slower
8ACT-CADY
Game Clock Frozen (No Time Limit)
AACT-CA6J
Start At Stage 2 Instead Of Stage 1
AJBT-AAEY
Start At Stage 3
ANBT-AAEY
Start At Guardian Level After Stage 3
ATBT-AAEY
Start At Stage 4
AYBT-AAEY
Start At Stage 5
A2BT-AAEY
Start At Stage 6
A6BT-AAEY
Start At Guardian Level After Stage 6
BABT-AAEY
Start At Stage 7
BEBT-AAEY
Start At Stage 8
BJBT-AAEY
Start At Stage 9
BNBT-AAEY
Start At Guardian Level After Stage 9
BTBT-AAEY
Start At Stage 10
BYBT-AAEY
Start At Stage 11
B2BT-AAEY
Start At Stage 12
B6BT-AAEY
Start At Guardian Level After Stage 12
CABT-AAEY
Start At Stage 13
CEBT-AAEY
Start At Stage 14
CJBT-AAEY
Start At Stage 15
CNBT-AAEY
Start At Guardian Level After Stage 15
CTBT-AAEY
Infinite Ammo For Machine Gun
AJNA-EA3R
Infinite Fuel For Flame-Thrower
AJMA-EA7C
Infinite Ammo For Grenade Launcher
AJJT-EA2J
Infinite Hand Grenades
AJKA-EA88
Machine Gun Recharge Pick-Up Reloads To Capacity
M42A-CAG0
Flame-Thrower Recharge Pick-Up Reloads To Capacity
NC2A-CAHY
Grenade Launcher Recharge Pick-Up Reloads To Capacity
NL2T-CAAW
Hand Grenade Recharge Pick-Up Reloads To Capacity
NW2T-CABT
First-Aid Pick-Up Restores Energy Gauge To Capacity
RG2T-C6W4
Long Falls Do Not Reduce Energy
AMDA-CA4J
Falls Into Turbine Fans Do Not Reduce Energy
ADEA-CAGJ
Never Lose Radar
AJFT-AA66
Ripley Jumps Higher
5DXA-D93N
Codes for Hard Difficulty Only
Ripley Jumps Much Higher
YDXA-D93N
Machine Gun Capacity Is 50 Instead Of 99
LBRT-JAEJ
Flame-Thrower Capacity Is 30 Instead Of 99
GBRT-JAEL
Grenade Launcher Capacity Is 20 Instead Of 99
EBRT-JAEN
Hand Grenade Capacity Is 30 Instead Of 99
GBRT-JAER