OLSSGSOO
Infinite ammo when shooting on the ground
AKVIXAAP
E restores Energy fully
AKKSEAAP
Extra ammo restores Energy fully
AEKSEAAP
Extra ammo worth nothing (if you run out of ammo you cannot use your gun till the next Stage)
AEUYXAAZ
No Energy loss when falling off the screen
AKUYXAAZ
Falling off the screen is fatal
NNNISAAU
Bullet Proof Vest lasts longer
XVUKOOXK
Bullet Proof Vest lasts until the end of stage except when you die from punches or falling off the screen
XTUGTXXK
Start on Level 2
XZUGLXVL + LAUGGZNP + XTUGIZEK
Start on Level 3
OUSSISOO + OUXIPSOO
Infinite ammo when shooting in the air
ZENISAAU or AONISAAL
Bullet Proof Vest does not last as long