Descent cheats and cheat codes for Playstation

Password - Level
DBG4B-JB7S7-DS4#Y-MSBYB - Level 2
QQM#B-7B7S7-DHLTQ-8VBXV - Level 3
SGVFB-JM7TB-GNMXG-JWB5V - Level 4
N*5KB-STLVQ-HC344-62B3B - Level 5
Y8FPB-SL3TB-JAM66-S9D2V - Level 6
XORTB-SQGTB-HBMC8-VBF#B - Level 7
RH2FB-NV70*-GBL5Q-*BBBB - Level 8
8SHKB-9WLT*-JPLD8-NCCKB - Level 9

Level select/new difficulty levels
During the game play, press Triangle, Square, Square, Triangle, O, O,
Square, Square, Triangle, O, Square, Square. 
Leave the current game and begin a new game after you have entered 
the cheat code to unlock the Insane and the Ace difficulty. Now you 
can select all regular and hidden levels.

Get 10 lives, all weapons, and level select
During the game play, press Triangle, X, Square, Square, Triangle,
O, O, Square, Triangle, Square, O, X. Enter this code in a
safe place. 

Increase visibility
During the game play, press Square, Triangle, O, Square, Square, X,
O, Triangle, Square, O, X, Triangle. This will make the
screen colors turn brighter.

All levels keys unlocked
During the game play, press Square, X, O, Triangle, X, Triangle,
Triangle, X, Triangle, X, Triangle, X.

Invincibile mode
During the game play, press Square, Triangle, O, Square, Square,
Triangle, O, O, Square, Triangle, Square, X.

All weapons unlocked
During the game play, press Triangle, Square, O, X, Triangle,
Square, X, Triangle, Square, X, O, Square. Enter this code in a
safe place. 

Bonus life
During the game play, press Square, Triangle, O, Square, O,
X, Square, Triangle, O, Triangle, Triangle, X.

Restore shields
During the game play, press Triangle, Triangle, X, Square, Triangle, O,
Triangle, X, Square, X, Triangle, X. If you entered the code
correctly, a woman's voice will say "Cheater" and the phrase "Shield
Recharged" will appear. 

Cloaking device
During the game play, press Triangle, Square, X, O, Square, X,
O, Triangle, X, Square, X, Triangle.

Weird robots
During the game play, press Square, X, Square, X, O, Square,
O, Square, Triangle, O, O, Square.

Weird colors
During the game play, press Square, Triangle, O, O, Square,
Triangle, Square, X, Triangle, X, Square.

Cycle colors
During the game play, press Square, Triangle, O, Square, Square,
Triangle, O, O, Square, Triangle, Square, X, Triangle, X,
Square, Triangle. Repeat this code for different colors.

Turbo speed
During the game play, press Square, Triangle, O, Square, O,
X, Square, X, O, Triangle, Square, X.