Get 100 kills
Get 1,000 kills
Get 10,000 kills
Get a kill with every melee weapon
Get a kill with every ranged weapon
Get a double kill with a single bullet
Complete tutorial
Complete singleplayer mode
Complete hardcore singleplayer mode
Kill 5 shopkeepers on a single level
Unlock all singleplayer shortcuts
Unlock all singleplayer weapons
Complete all challenges
Survive 25 waves in horde
Play every versus game mode
Win a deathmatch on every versus level
Win a deathmatch without changing your weapon
Win a deathmatch without dying
Collect over 100,000 lifetime scrap
Buy everything in the shop
