This page contains Onslaught Unlockables for Xbox 360 called "Ultra difficulty" and has been posted or updated on Feb 20, 2009 by Zharlah.
- Developer: Stainless
- Publisher: Microsoft Game Studios
- Genre: Action
- Release: Jan 21, 2009
- ESRB: Not Set
Finish the game on Expert difficulty.
Stuck in this game? Set a specific, clearly defined question and let other gamers answer your question or view answers to previously asked questions. If you think you are an expert then please try to help others with their questions.