Zombie Wars cheats and cheat codes for PC

Enable the cheat mode:
Go to the Difficulty Level selection screen, then hold the TAB key 
and press the CTRL key. Then at the player selection creen type: 
"robisagod". A sound will confirm the correct code entry.
Now type any of the following codes during the game play:

Effect - Code:
Turn On All Weapons - Enter "KICKASS" as a code
Reveal Hidden Areas - Enter "INFRARED" as a code
Jump to The Next level - Enter "GETMEOUT" as a code
Invincibile mode - Enter "BEAGLE" as a code
Cut To The End Game Scene - Enter "GEEWHIZ" as a code
Blood Code - Enter "GIVEBLOOD" as a code
All Hostages rescued - Enter "RESCUE" as a code

Secret Marine-  Unlock Agent Squiggly:
There is a hidden character called Agent Squiggly in the game. 
To play as Squiggly type "SQUIGGLY" at the player slection screen 
and press the up arrow.