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