Defeat the Admiral 3 times

Make doors lock behind you 25 times

In the Adventure mode, reach the hightest possible firerate and use bouncing ammo

Revive your friend in co-op mode

Reach the Admiral without any artifacts

Reach the Admiral with 6 artifacts collected

Use the quantum dice

Enter the Infinite mode

While “Chaotic Artifacts” modifier is active, posses two artifact perks, that normally are mutually exclusive

In co-op mode get trapped behind the wall erected by the Admiral

Shoot while 4 or more ammo types are active