Stick a burning zombie on spikes

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

Blind 25 Volatiles with flares or a flashlight

Reach Survivor Rank lvl 18

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

Run (move or sprint) at least 42,195 m

Win 7 coop competitions

Take part in 10 coop competitions

Left the cabin.

Helped someone through a difficult time.

Kill 20 enemies in a row without taking damage.

Kill a Volatile

Perform 10 successful Lockpicks