Unlock 10 S.A.M.s in a single playthrough.
Beat the game on any difficulty.
Kill 100 enemies with a headshot.
Melee a big enemy.
Kill 11 different enemies using melee attacks.
Make 20 enemies kill each other using Psychotropic Grenades.
Use the mininuke to eliminate 100 enemies at once.
Kill 20 enemies while dual wielding double shotguns.
Kill a Witchbride using C4.
Kill 5 enemies during a single Time Warp slowdown.
Kill 50 healthy Kleers with a direct double shotgun hit.
Kill an Aludran Reptiloid using nothing but a pistol.
One-shot kill 3 Werebulls with a shotgun.
Kill 5 enemies in a row while your health is below 10 HP.
Kill a Belcher using Belcher collateral barf damage.
Spend 1000 minigun rounds while firing continuously.
Destroy 10 propaganda drones.
Kill 3 enemies with a double shotgun blast.
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