BlowOut

Hit pause during the game then select Cheats. Now enter the following codes:

Effect - Code

All Weapons - CHARLIEHUSTLEOVERDRESSEDROMEO
Big Head Mode - BUTTCHEATCANSURPRISE
Clear Map - YESTERDAYYOURZEBRADIE
Big Foot Mode - DEADREDPARTYSHOES
Control Time - CHARLIEALPHANOVEMBERECHO
Freeze Enemies - CHARLIEOSCARLIMADELTA
Restore Health - CANEREADYTOROCK
Unlock All Doors - ANYANDALLCODE
Unlock All Levels - COOLLEVELCHEATCODE
God Mode - NOPAINNOCANE
Infinite Ammo - FISHINABARREL
Level Up Weapons - FRIENDLIESTGODINGALAXY

Enter GOODGODHELPME as a code. A message will confirm correct code entry.