Unlock all single and multi-player character:
Create a new player profile and enter "GARNER" as a cheat code, then
begin a new game. If the code is accepted, you will see a message.
All weapons will fire faster:
Create a new player profile and enter "RAPIDFIRE", then begin a new game.
If the code is accepted, you will see a message.
Unlock all missions:
Create a new player profile and enter "VENGAR", then begin a new game.
If the code is accepted, you will see a message.
Increase squad defense
Create a new player profile and enter "ERINROBERTS", then begin a new game.
If the code is accepted, you will see a message.
Change Brutus' appearance:
Create a new player profile and enter "GARVEN", then begin a new game.
If the code is accepted, you will see a message.
Super aim
Create a new player profile and enter "DEADAIM", then begin a new game.
If the code is accepted, you will see a message.
Decrease enemies AI
Create a new player profile and enter "SPRAGNT", then begin a new game.
If the code is accepted, you will see a message.
Stronger characters
Create a new player profile and enter "MATTSOELL", then begin a new game.
If the code is accepted, you will see a message.
Enable Cartoon mode
Create a new player profile and enter "HVYMTL", then begin a new game.
If the code is accepted, you will see a message.
Harder enemy AI
Create a new player profile and enter "BRUTAL", then begin a new game.
If the code is accepted, you will see a message.
Squad members die faster:
Create a new player profile and enter "DBLDAY", then begin a new game.
If the code is accepted, you will see a message.
Longer Brutus' special meter and powerfull attacks:
Create a new player profile and enter "GARNERVEN", then begin a new game.
If the code is accepted, you will see a message.
Unlock Bonus multi-player characters
Find DNA sequence on the levels.
Unlock Characters
Find the DNA sequence in the following missions to unlock characters:
Mission 1 or Mission 6: Unlock Confed Marine
Mission 2: Unlock Feral Colonist
Mission 3: Unlock Feral Outcast
Mission 4: Unlock Seer Follower
Mission 5 or Mission 11: Unlock Militia
Mission 7: Unlock Outcast Shaman
Mission 8: Unlock Seer Priest
Mission 9: Unlock Feral Shaman
Mission 10: Unlock Gunthar Ghent
Mission 12: Unlock Shadoon
Mission 13: Unlock Fire Hound
Mission 14: Unlock McTavish
Mission 15: Unlock Shrike Soldier
Mission 16: Unlock Shrike Heavy
Mission 17: Unlock Shrike Hound
Mission 18: Unlock Hunter Lord
Regenerate Special Energy:
Restore special energy fast by crouching.
Get Gold medal in a mission:
Complete all objectives and killed all enemies to receive gold medal.
Regenerate your teammates:
If you are the last one, you can bring back your team mates to life, if
you insert another 3 controllers into your Xbox system and press the
Start button. When the new players join, your teammates will live again.
After that, exit from the 3 games you just opened and you will
go back to single player mode. All of your teammates will remain.
