Get all 100 upgrades for your characters.
Complete All Chapter Objectives.
You survived 30 Days in Survival: Classic.
Pick-up all five mash-up weapons with each character.
Survive a fortnight in Blackout Mode.
Bring all possible survivors to Def Money's yacht in Story Mode.
Complete Story Mode in Single Player.
Complete all Objectives listed for any chapter.
Use each character's Pwnage ability 10 times.
Kill your first Damned Zombie.
Collect $20,000 in a single chapter.
Complete a Story Mode: New Game with 3 other players.
Complete Prequel: Day 56.
Survive Pure Pwnage for 10 minutes.
Pwn 10,000 zombies with Jeremy and Doug.
