Unlockable - Unlockables | |
| M4 | Earn a Silent Assasin ranking on all of the St. Petersburg missions up to and including ''Invitation to a Party'' without any aggression. Pass ''Invitation to a Party'' last and you will recieve the M4. |
| Sawed off shotgun | Achieve a Silent Assassin rating twice. |
| Silenced Ballers | You will receive ''Silenced Ballers'' after gaining 'Silent Assassin' ranking for the first time in the game. |
Password - Cheat Codes | |
| Enter these codes during gameplay (not while paused): | |
| Nailgun Mode (pins people to walls) | R, L, Up, Down, A, White, White |
| Megaforce | R, L, Up, Down, A, R, R |
| Bomb Mode | R, L, Up, Down, A, Up, White |
| Lethal Charge | R, L, Up, Down, A, Black, Black |
| Gravity | R, L, Up, Down, A, L, L |
| All Weapons | R, L, Up, Down, A, Up, X, A |
| Slomotion | R, L, Up, Down, A, Up, L |
| Punch Mode | R, L, Up, Down, A, Up, Up |
| Level Skip/Beat Level | R, L, Up, Down, A, X, L3, B, A, B, A |
| God Mode | R, L, Up, Down, A, R, L, Black, White |
| Fully Heals Hitman | R, L, Up, Down, A, X, Up, Down |
Glitch - Unlock Every Level WITHOUT Cheats | |
| To unlock every level without the use of cheats to mess up your score, simply start a New Game. When it asks you to choose a difficulty, go back and select Current Game, and every level should be unlocked, without a rating. | |
