Alien Trilogy cheats and cheat codes for Playstation

Level passwords
Enter any of the following passwords to start on the indicated stage 
on the Xenomania difficulty level:

Stage Password 
Stage 1-2: Enter J3BBBBBBDWP8903BBBBBBBBMBBBXJBBB 
Stage 1-3: Enter LZBBBBBKCPB9N3DBBBCGBBMBBCD1BBB 
Stage 1-4: Enter FBBBBBBBMCPB9XLDBBBFBBBMBBCX1BBB 
Stage 1-5: Enter 7LBB7BBB84PB9K3GBBBDLBLMBBDB1BBB 
Stage 1-6: Enter 1LBBBBBB6WPB7F3GBBBJ2BBBBBDX1BBB 
Stage 1-7: Enter YGBJLBBB70PB9R3CQVCBG9BBDBQFJ9CLB 
Stage 1-8: Enter WGBBBBBB0HPBJLBLL3BTGBLMBVFX9DVB 
Stage 1-9: Enter XQBJLBBBMHPBJNVFQVBTGBLMCBGD9HBB 
Stage 1-10: Enter 4BBBGBBBFWPBQHLPN2BTLBLJCGG29FBB 
Stage 1-11: Enter 3ZBJLBBB4HPBQQ3PQVBTLBLJCGHJ9FBB 
Stage 1-12: Enter 03BJGBBBHWPB9BB0H3BTLBLDCBHZ9GVB 
Stage 2-1: Enter Z3BBSBBB74PB9GVTJVBBBBBDB7JG9BVB 
Stage 2-2: Enter 4BBLGBBBB8PB91B4PVBBBBBMB3JZ9C3B 
Stage 2-3: Enter 4GBKVBBBZRPB9BB5QVBBBBBKCGKG9GLB 
Stage 2-4: Enter 2BBQGBBBSRPBBBBB5BBBBBBBBBBKZ9GVB 
Stage 2-5: Enter 0ZBBBBBD9V8PB9QWDHBBTLBLBCGLH9G3G 
Stage 2-6: Enter 03BQVBD9VHPB9QWJM7BTLBLGCGL09HBD 
Stage 2-7: Enter 1LBHXBD354PBJBCLPQBTBBLBB3MH9HBD 
Stage 2-8: Enter RQBBBBD988PBJCCVDBBTBBLBBVM09CBH 
Stage 2-9: Enter 4BBQVBFGX4PBJJMVQGBTLBLBCGNH9FVK 
Stage 2-10: Enter 77BQVBDMYMPBJ24XPQBRLBLBBZNY9HBD 
Stage 3-1: Enter 8ZBCLBC8RMPBDKMPB3BS1BLBB3PF9HBF 
Stage 3-2: Enter H7BBBBCSFRPB9DWLP3BC7BBLBLP09GVB 
Stage 3-3: Enter NQBBBBCSLMPBQHCLP3BC7BBLBQQH9GVB 
Stage 3-4: Enter 0GBBBBFGK8PBLH4KK2BBBBBLB7Q09CBC 
Stage 3-5: Enter KBBBBBFGCWPBLH4KJVBBBBBLB3RH9B3C 
Stage 3-6: Enter KVBBBBBRL0PB9BBBCLBSQBBMB3R099CLB 
Stage 3-7: Enter 03BBBBBB8CPB9BBXDQBSQBBMCBSK9CLB 
Stage 3-8: Enter WVBBBBBBY8PB9BBXL33BN3BLMB7509CBB 
Stage 3-9: Enter TQBBBBBB4MP9P3BDQBBBBBMCGTH9BBB 
Stage 3-10: Enter 4VBJLBFGDMP89XVNQVBJLBBMCBT49F3J 
Stage 3-11: Enter 4VBFNBCSZ4PB94BNF7BQVBBMB7VH9F3J 
Stage 3-12: Enter S3BBBBFGS0PB94BNKZBQVBBMBZV09HBL 
Stage 3-13: Enter Q3BQVBDXRCPB94BNQVBTLBLMBGWH9GBL 

Level select
Enter "G0LVLxx", where xx the number of the desired level.
Example: Enter "G0LVL12" for stage 11. The "Cheat Activated" 
message confirm the correct code entry after the "Accept" 
option is selected. Then, choose the "Quit" and begin the 
game with just the pistol. 

Final stage ending
Enter "G0LVL34" as a password.

God mode, all weapons, infinite ammo invincibility, all levels
Enter "1GOTP1NK8CIDBOOTSON" as a password. This will unlock a 
new option on the title screen also, which allow to switch 
between NTSC and PAL modes. 

Watch the ending movie: 
Enter "FLYTO35" as a password.

Power shotgun
Press Triangle, Circle, Circle, Square while the game is paused.

Alien Trilogy Game Shark Codes:

Unlimited Flame Thrower Rounds 
8009A052 03E7

Unlimited Pulse Riffle Rounds  
8009A04C 03E7

Unlimited Shoulder Lights      
8009A05C 0014
              
Unlimited Night Vision         
8009A060 0014
              
Unlimited Health               
8009A040 03E7
              
Unlimited Armor                
8009A042 03E7

Unlimited Batteries            
8009A05A 03E7

Unlimited Pulse Rifle Grenades 
8009A050 03E7
              
Unlimited Smart Gun Rounds     
8009A054 03E7
             
Unlimited Boots                
8009A044 03E7
              
Unlimited Charge Grenades      
8009A058 03E7
              
Unlimited Handgun Bullets      
8009A046 03E7
              
Unlimited Shotgun Bullets      
8009A04A 03E7
              
Get Shotgun                  
8008F33E 0029
             
Get Flame Thrower            
8008F34A 0029
              
Get Pulse Rifle              
8008F342 0029
              
Get Smart Gun                
8008F346 0029
              
Get Auto Mapper              
8009A03C 03E7
              
Rapid Firer                   
8009A024 0001