Password - Code-Pushbutton | |
| Enter the code during gameplay | |
| This will skip the current level and give you a Silent Assassin rating | R button, L Button, Up, Down, X, A, click left thumbstick, B, A, B, A |
Password - Open all Levels | |
| Enter the following code at the main menu: | |
| Open all Levels | X, Y, B, Left, Up, Right, L, R |
Unlockable - Unlock the Tube | |
| Cardboard Tube | Beat Training with SA rating |
Unlockable - Unlockable Weapons | |
| M4 Carbine Silenced Assault Rifle | Mission 6 |
| SG220 .S Dual Pistols | Mission 7 |
| MP5 Silenced Submachine Gun | Mission 8 |
| Sawed-Off Shotgun Dual | Mission 5 |
| Magnum 500 Dual Pistols | Mission 4 |
| Silverballer Silenced Dual Pistols | Mission 3 |
| Micro Uzi Dual Submachine Guns | Mission 2 |
| CZ 2000 Dual Pistols | Mission 1 |
| AK 74 Silenced Assault Rifle | Mission 9 |
| GK 17 Dual Pistols | Mission 10 |
| Micro Uzi Silenced Dual Submachine Guns | Mission 11 |
| PGM Silenced Sniper Rifle | Mission 12 |
Unlockable - Unlock Minigun and Dual Gold Desert Eagles | |
| Dual Gold Desert Eagles | Find second Key Card Reader Door, and open with Orthmeyer's Key Card, take Dual Desert Eagles on floor inside. |
| Minigun | Find first Key Card Reader Door, and open with Orthmeyer's Key Card, Kill Patient, take Minigun. |
