| icon | info |
|---|---|
 | Kill a zombie Kill a zombie |
 | A Legion of Zombies Kill 500 zombies in one level |
 | Fists of Fury Kill a mutant with your fists |
 | Can’t touch this Complete a Base quest without taking any damage |
 | Watch this! Use your first Smart Bomb |
 | Master Craftsman Fully upgrade a weapon with any status effect |
 | Back with the X Witness Rachel joining the group |
 | Big Brain Brian Witness Brain joining the group |
 | Thought this was a Zombie Game? Witness Luxo joining the group |
 | Getting to know each other Complete all character quests |
 | Touch Base Complete ‘Return to the Military Base’ |
 | The Collector Complete ‘Dev Card Hunt!’ |
