Cheat Codes: Unlockables, Achievements, and Trophies for Prototype for Xbox 360

New Game Powers and Upgrades
Complete the story mode to replay the game with all of the powers and upgrades you've already obtained from the previous game. (Note: You can only use this option on the difficulty you beat the game on or lower, so if you start the game on Hard after you beat it on Normal you will have to start you powers and upgrades all over again. ).
Submitted by: speedydemon69 Added: 15 Jun 2009	Report this Unlockable as Broken

Unlock Hard Mode
Beat the game in Normal Difficulty.
Submitted by: speedydemon69 Added: 15 Jun 2009	Report this Unlockable as Broken

Prototype for Xbox 360 Unlockables, Achievements, and Trophies