Grand Theft Auto V: Spawn Comet

Your character can't be hurt for five minutes. Entering the code again normally cancels it before the time runs out. The GTA Wiki notes that its phone number may be too long to dial in full; if the call fails, use the button or console code.

Tops your health and body armor up to the maximum in one go.

Every bullet you fire explodes where it lands. Enter the code again to go back to normal rounds.

Punches and kicks set off an explosion on contact. Enter the code again to switch it off.