Assault: Retribution Cheats - PlayStation

Goodies option
Press [Triangle], [Square], [Circle], [Left], [Square], [Triangle], [Square], [Circle], [Left], [Square] within three seconds at the "Press Start" screen. An additional selection will appear at the end of the options menu that allows level selection, all weapons, unlimited ammunition, and the ability to view the FMV sequences.

Stage select
Enable the "Goodies option" code. Then, press [Left], [Right], [X], [Triangle], [Left], [Up] within three seconds at the "Press Start" screen. A white screen flash, sound effect, and display of the cheat name will confirm correct code entry. An option that will allow selection of an individual stage within a level will become available. Note: Enabling this code may cause music and graphic problems.

Nakomi mode
Press [Up]x2, [Down]x2, [Left], [Right], [Left], [Right], [X], [Circle] within three seconds at the "Press Start" screen. A white screen flash, sound effect, and display of the cheat name will confirm correct code entry. All 3D characters except the Boss will be flattened.

Big head player
Press [Square], [Circle]x2, [Square], [Up], [Square], [Circle]x2, [Square], [Triangle] within three seconds at the "Press Start" screen. A white screen flash, sound effect, and display of the cheat name will confirm correct code entry.

Big head aliens
Press [Square], [Circle]x2, [Square], [Up], [Square], [Circle]x2, [Square], [X] within three seconds at the "Press Start" screen. A white screen flash, sound effect, and display of the cheat name will confirm correct code entry. Note: This code does not affect the Boss.

Turbo mode
Press [X], [Square], [Triangle], [Circle], [X], [Square], [Triangle], [Circle], [L2], [R2] within three seconds at the "Press Start" screen. A white screen flash, sound effect, and display of the cheat name will confirm correct code entry. Press [Circle] during game play to run faster. Note: This will also use any item currently being held by your character.

Grayscale graphics
Press [X]x2, [Triangle]x2, [Square]x2, [Circle]x2, [Up], [Down] within three seconds at the "Press Start" screen. A white screen flash, sound effect, and display of the cheat name will confirm correct code entry.

Sepia graphics
Press [Left]x10 within three seconds at the "Press Start" screen. A white screen flash, sound effect, and display of the cheat name will confirm correct code entry.

Bonus stages
The Queen Chamber and Greenhouse stages can be played only after completing level 7 in two player mode.

Special power-up
A special power-up marked with an exclamation point can be found at the following locations. It allows your character to receive all available weapons at maximum power and an ammunition recharge item. In one player mode, find the long series of platforms that can be destroyed approximately half way through the Tube 1 level. A hovering destructible platform under the special power-up is located behind the fourth destructible platform. In two player mode, find the series of rope bridges towards the end of the Jungle Crash Site level. After the third rope bridge is a column with alien gun emplacements and a power-up towards the rear of the screen. Destroy the alien guns and jump out towards the column to land on an invisible platform. Walk along that platform on to the column to collect the power-up.

Faster charge
Collect an ammunition recharge item and place it in your inventory to increase the rate of charge.

Weapon upgrade power-up
Hold all weapons that are available for your character when approaching a normal weapons crate. Instead of the weapon, the crate will contain a weapon upgrade power-up when destroyed.