Unreal Tournament 3 cheats and cheat codes for Playstation 3

Unlock Alanna as a playable character (Necris):
Go to the custom character screen and press Triangle, then input "phayder" 
as a cheat code.

Unlock Ariel as a playable character (Iron Clad)
Go to the custom character screen and press Triangle, then input "jihan" 
as a cheat code.


Characters:

Unlock Akasha: 
Kill Akhasa in the last mission to unlock her. 

Unlock Matrix: 
Kill Matrix in Deathmatch in Chapter 3 of Campaign mode. 
Note: You have to select always the 2nd choice for all missions. 
Matrix will be selectable after a side mission in Chapter 3 in that chapter. 

Unlock Scythe: 
Kill Scythe in Deathmatch in Chapter 4 of Campaign mode. 
Note: You have to select always the 2nd choice for all missions. 
Scythe will be selectable after a subsequent Deathmatch in that chapter. 

Unlock Lauren: 
Kill Lauren in Deathmatch in Chapter 2 of Campaign mode. 
Note: You have to select always the 2nd choice for all missions. 
Lauren will be selectable after a subsequent Deathmatch in that chapter. 

Unlock Loque: 
Unlocked after a Capture The Flag match in Chapter 5. 

Unlock Kragoth, Malakai, Damian: 
Play through Chapter 4 of Campagin mode to unlock them. 

Easy Damage Amplification:
Select the "Heatray" level in Deathmatch and play a multi-player mode.
After the Dark Walker drops, destroy it. You will get a Damage Amplification 
every time.