Cheat mode: Press Circle, Left, Right, Circle,
Up, R2 at the main menu. A "Cheat" selection
will appear on the options screen, allowing God mode, all weapons
and unlimited ammunition, unlimited oxygen, no chestbursting,
and level selection.
Information in this section was contributed by Sadogoat.
All weapons: Press L1, Circle, Square, L1,
Down, Up, Circle at the main menu. A sound
will confirm correct code entry. Note: Only the weapons available
for each level will be unlocked.
Information in this section was contributed by meccablue85.
Unlimited ammunition: Press L1, L2, Up, L1, L2,
Up, Circle at the main menu. A sound will confirm
correct code entry.
Information in this section was contributed by meccablue85.
Unlimited health: Press R1, R2, Down, R1,
R2, Left, Square at the main menu. A sound
will confirm correct code entry.
Information in this section was contributed by meccablue85.
No chestbursting: Press R1, L1, Left, R1,
L1, Square, Down at the main menu. A sound
will confirm correct code entry.
Information in this section was contributed by meccablue85.
Unlimited air: Press R2, L2, Right, R2,
L2, Circle, Down at the main menu. A sound
will confirm correct code entry.
Information in this section was contributed by meccablue85.
Extended level select: Enable the "Cheat Mode" code. Then, press
R1, Down, R1, Right, L1, Up,
L2, Square at the main menu. A sound will confirm
correct code entry. Then, go to options and enter the "Cheat"
menu. You will now be able to choose a section to start from in
a level.
Information in this section was contributed by meccablue85.
Debug information: Press Triangle, L1, R1, Square,
L1, R1, L1, Square at the main menu.
A sound will confirm correct code entry. Press L1 + L2
during game play to toggle the debug information.
Information in this section was contributed by meccablue85.
Research mode: Press Square, Up, Down, Circle,
Left, R1 at the main menu. A "Research Mode"
selection will appear on the options screen. This mode allows
you to change some of the game's Aliens and Facehuggers (shrinking
them, making them wire-framed, semi-transparent, etc.). This is
done by highlighting various grid squares as follows.
Information in this section was contributed by Sadogoat.
1: Small aliens
2: Quarter-size aliens
3: Tiny aliens
4: Half-size aliens
5: See-through green aliens
6: See-through red aliens
7: Invincible aliens
8: Tiny face-huggers
9: Large eggs
10: Hard enemies
11: Very hard aliens
12: Faster aliens
13: Red eggs and face-huggers
14: Slow aliens
15: Faster, weaker aliens
16: Faster, weaker face-huggers
Combinations of these grid squares can give different Alien effects.
There are other combinations for large, small, and variable colors.
The eggs and face huggers do not always show up immediately, however
pressing Start brings up the effects.
Information in this section was contributed by Grendel.
6 + 13: Clear red aliens, eggs, and face huggers (normal size)
6 + 7 + 12 + 13: Clear yellow aliens, eggs, and huggers, and greenish-yellow
guardian aliens (normal size)
5 + 7 + 12 + 14: Clear teal aliens, eggs, and huggers, and bluish
guard aliens (normal size)
5 + 6 + 7 + 12 + 13 + 14: Clear green aliens, eggs, and huggers
(normal size)
All tiles: Large green everything
Hint: Alternate menu: When you are in the main menu, enter the game twice
and quit the game twice. You will now see the base of the main
menu under water.
Information in this section was contributed by Guilherme.
