1. CHOOSE THE DIFFICULTY LEVEL YOU WISH TO PLAY FIRST! [NOTE: You should also check the difficulty setting EACH TIME you load a new level; even then, once the level loads it still may not play at the selected setting.] At the Password Screen, type GOLVL plus the SEQUENCE number of the level you wish to go to (you can CLICK HERE for the handy PRINT-ME version of the level Summary Table). Accept. You will see "CHEATS ACTIVATED" in red. Quit the Password Screen and start the game to begin on the desired level. For example, typing "GOLVL20" will transport you to Level 262 (LEAD MOULD). You only start with the pistol, making life pretty difficult on the later levels. Sequence 35 is the ending sequence. You must re-enter the code each time you use it, even when returning to the same level.
2. CHOOSE THE DIFFICULTY LEVEL YOU WISH TO PLAY FIRST! [NOTE: You should also check the difficulty setting EACH TIME you load a new level; even then, once the level loads it still may not play at the selected setting.] At the Password Screen, type 1GOTP1NK8C1DBOOTSON. Accept. You will see "CHEATS ACTIVATED" in red. Quit to the main menu. Select CHEATS to choose any desired LEVEL and to toggle the following on or off: PLAYER INDESTRUCTIBLE, UNLIMITED AMMUNITION, VIDEO MODE (leave this one be), and GIMME WEAPONS.
3. CONTROLLER-ENTERED CODES for Sony® PlayStationTM. I have encountered several controller-entered codes utilizing the square/triangle/circle/X buttons on the controller itself at various web sites (not in print in any gaming magazines, thankfully). NONE of these codes worked when tested, leading me to believe that NO controller-entered codes exist for Alien Trilogy.
4. GAMESHARKTM CODES for Sony® PlayStationTM. If you are going to purchase a GameSharkTM, make certain that you buy one in the new silver-and-black packaging. Older versions are reportedly not entirely compatible with all PlayStationTM consoles. In addition, the newer GameSharkTM (Version 2.0 or later) will have most of the codes below preprogrammed for convenience.[NOTE: These codes also reportedly work for the US version
PRO ACTION REPLAY© for Sony® PlayStationTM.]
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|---|---|
| 8009A024 0001 |
RAPID FIRE (This code is particularly useful with the shotgun.) |
| 8008F33E 0029 | HAVE SHOTGUN |
| 8008F34A 0029 | HAVE FLAME THROWER |
| 8008F342 0029 | HAVE PULSE RIFLE |
| 8008F346 0029 | HAVE SMARTGUN |
| 8009A046 03E7 | INFINITE 9mm BULLETS |
| 8009A04A 03E7 | INFINITE SHOTSHELLS |
| 8009A052 03E7 | INFINITE FLAME THROWER FUEL |
| 8009A04C 03E7 | INFINITE PULSE RIFLE AMMO |
| 8009A050 03E7 | INFINITE PULSE RIFLE GRENADES |
| 8009A054 03E7 | INFINITE SMARTGUN AMMO |
| 8009A058 03E7 | INFINITE SEISMIC CHARGES |
| 8009A040 03E7 | INFINITE HEALTH |
| 8009A042 03E7 | INFINITE ARMOR |
| 8009A044 03E7 | INFINITE ACID BOOTS |
| 8009A05A 03E7 | INFINITE BATTERIES |
| 8009A05C 0014 |
INFINITE SHOULDER LAMPS (Shoulder lamp must be activated initially and then reactived every 60 seconds.) |
| 8009A060 0014 |
INFINITE NIGHT VISION GOGGLES (Night vision goggles must be activated initially and then reactived every 90 seconds.) |
| 8009A03C 03E7 |
HAVE AUTO-MAP (This code will even work on levels that have no auto-map available, but has DEFINITE BUGS!) |
5. UK version PRO ACTION REPLAY© CODES for Sony® PlayStationTM. Although they appear similar, these codes do NOT work with the GameSharkTM.
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|---|---|
| 8009A5BA 0001 | RAPID FIRE |
| 8008F8D2 0001 | HAVE SHOTGUN |
| 8008F8DE 0001 | HAVE FLAME THROWER |
| 8008F8D6 0001 | HAVE PULSE RIFLE |
| 8008F8DA 0001 | HAVE SMARTGUN |
| 8009A5DA 03E7 | INFINITE 9mm BULLETS |
| 8009A5DE 03E7 | INFINITE SHOTSHELLS |
| 8009A5E6 03E7 | INFINITE FLAME THROWER FUEL |
| 8009A5E0 03E7 | INFINITE PULSE RIFLE AMMO |
| 8009A5E4 03E7 | INFINITE PULSE RIFLE GRENADES |
| 8009A5E8 03E7 | INFINITE SMARTGUN AMMO |
| 8009A5EC 03E7 | INFINITE SEISMIC CHARGES |
| 8009A5D4 03E7 | INFINITE HEALTH |
| 8009A5EE 03E7 | INFINITE BATTERIES |