Kill 100 enemies by kicking them off the rooftops/cliffs.

Catch 25 enemies in the Electric Fence trap

Complete 5 quests in a single co-op game with the same 3 partners

Kill 50 enemies with throwing weapons

Jump to the water from the Infamy Bridge (Slums) at night

Save 15 survivors from zombies

Kill 25 enemies using Ground Pound or Drop Attack

Reach Agility Prof. Lvl 10

Activate the Amplifier

Use Blueprints at least 100 times

Reach Survivor Rank lvl 18

Quiet a Screamer