XCavalypse Cheat Codes: ------------ Submitted by: David K. Steam achievements: ------------------- Complete the following tasks to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", then "My profile", then "View all my games", then the game and view stats. Achievement How to unlock ------------------------------------------------------------------- Back to school : Complete the tutorial. Call them out : Use the excavator's horn. Cherry Popper : Pop 10 consecutive zombie heads. Pop! : Pop a zombie head.