BFG-9000

when you get to the level where a scientist tells you to be carful with your gun,go into a room where you see two guys going across the window shoot at the machine on your left.there will be a explosion.go to the room that the two guys where in and there will be a BFG-9000.the gun will be invesible and will shoot cubes of plasma.when you get to the nextlevel go to the bathroom and look in the mirror with your gunand it will be black cube.
NOTE:you have to get god mode or you will die.

Skip a level

hold the left trigger and then press baxy

Skip level

hold left trigger and press BAXY

Ur mom apeer in game

B,b,a,y,b,x

Hellknights:Easy Kill

When fighting a hellnight take out your chainsaw and start slicing him while dodging his attacks and he will go down in a few seconds.

Bathroom Scare

After getting your first BFG-9000 go into the lavatory. Take out your BFG-9000 and look into the mirror.

Infinit life

hold l and press x y b a

God mode

press and hold the l trigger then press xyba and you will hear a sound to let you know you did it right

Invincibility

during gameplay hold down L and press X Y B A. A sound will confirm correct entry.

God mode

press and hold theL trigger then press xyba you'll hear a sound to let you know you did it right

Unlimited ammo

hold the L trigger and press X x2 y x3 then holr R trigger and press A 4x

Give all

press and hold down l trigger then press ybaa. A sound will comfirm correct entry.

Hold two gunz at once

during game play hold L and press baby