Unlock Krone in multiplayer:
Go to the options menu and select multiplayer. Select "Model" then press left once on the d-pad to highlight Krone, Press Y then type in the password RXYMCPENCJ.
Achievements - How to unlock
Alpha District - Casual (10 points) - Complete Act 1 "Alpha District" on Casual difficulty.
The Stronghold - Casual (10 points) - Complete Act 2 "The Stronghold" on Casual...
View all XBOX360 cheats!
Select "Multiplayer" at the options menu. Select "Model" then press Left to highlight Dr. Aiden. Press Triangle, then enter RXYMCPENCJ.
View all PS3 cheats!
You'll have to complete appropriate achievement to get the allotted gamerscore.
Keep Away! (25) - Win a Ranked Capture the Flag game without the other team capturing your flag
King Me! (25) - Win a Ranked King of Time game by at least 5 kills
Anytime, Anyplace (25) - Win a Ranked match on every map
I Don't Rent, I Own (25) - Win a Ranked Deathmatch game by at least 5 kills
Jack of All Frags (25) - Win a Ranked match in every...
View all PC cheats!