Don't allow any counter-attackers into the Washington Square base

Simultaneously burn, freeze and poison 4 separate enemies

Kill 3 enemies simultaneously using a single mutated body

Make 6 Wardens puke at the same time in the prison

Freeze 5 enemies at once and destroy them with a blast of the Cryogun's secondary fire

Collect all Deadeye rifles without dying while fighting the Widowmaker in St. Louis

Keep Chimeran forces from entering the Brewpub

Get to the first mineshaft without being hit by sniper fire in Mt. Pleasant, PA

Use the EMP to take down 10 Steelhead Auger shields

Use the upgraded Deadeye secondary fire to kill 2+ enemies, 5 times

Complete Campaign Mode on any difficulty

Absorb 1000 damage with Auger Shields