Eliminate an opponent with a melee
Pick up your first perk
Pick up your first weapon
Launch the game for the first time
Eliminate 100 000 enemies
Eliminate 1 000 000 enemies
Finish "The Maw" on Legendary at 300% Game Speed
Acquire your first upgrade
Reach the highest rank in "Career"
Finish any level at 300% Game Speed
Unlock "Custom Game"
Finish any level at 200% Game Speed
Finish all the levels on "Legendary"
Finish all the levels on "Mythic"
Finish any level at 150% Game Speed
Finish a level only using human weapons
Level up 5 weapons & 5 perks to their maximum in a single run
Finish all the levels on "Easy"
Finish all the levels on "Normal"
Finish all the levels on "Heroic"
Finish a level on Heroic difficulty with only 1 weapon
Finish all the levels on all the difficulties
Finish a level only using alien weapons
Finish the level "Guilty Spark" with Johnson
Eliminate 343 Guilty Spark
5172
8328
