During gameplay press `~` (tilde) and enter the command you want:
drury - Full Ammo
kariya - Unlimited Ammo
roy - Mega HP
corbet - Invisibility
domi - Artilary Strikes
PuntCRC - Punt CRC
PuntLog - Punt Log
scopescale - Scope Scale
Punt - Punt
Bozo - Bozo
Verbose - Verbose
savescores - Save Scores
dualcpu - Dual CPU
Gimme - Gimme
exit - Exit Mission
quit - Exit Game
sky - Sky
flipmouse - Flip Mouse
hudcolor - Hud Color
saturation - Saturation
mousescale - Mouse Scale
restart - Restart Mission
lbsize - lbsize
gamma - Gamma
saturation - Saturation
mousescale - Mouse Scale
huddetail - Hud Detal
tracers - Tracers
netdelay - Net Delay
talkred - Red Talk
talkblue - Blue Talk
resetgames - Reset Game
Ban - Ban
LastGame - Last Game
fly_down - Fly down
center_view - Center View