Unlockable - In-Game Cheats | |
| Unlimited Ammo | Beat the game on the Green Difficulty |
| Unlimited Health | Beat the game on the Hardened Difficulty |
| Unlimited Grenades | Beat the game on the Veteran Diffculty |
Unlockable - How to unlock Survival! Mode | |
| Survival! Mode | Play and beat the game on Veteran Mode, then it will ask if you want to switch to survival mode. Select yes and it will switch to Survival Mode. |
