Nitro Family

Nitro Family cheat codes: 
Start game as usual, in game - bring up the console with [~] (tilde)
and enter the following codes (NOT CaSe SeNsItIvE):

NITRO GOD         - toggle 'godmode'
NITRO GIVEALL     - toggle 'all weapons & ammo'
NITRO GIVEMONEY   - toggle 'get 999,999 cash'
NITRO KILLALL     - toggle 'kill all enemies instantly'
NITRO FLY         - toggle 'flymode' (fly above surface)
NITRO GHOST       - toggle 'ghostmode' (fly above & beneath surface)
NITRO REFRESH     - refresh health
NITRO CHANGELEVEL - advance to next level
NITRO SPEED X     - X equals movement speed 1 (normal) to 10 (fast)