Recover to max health from minimum health.
Kill 50 zombies with a melee weapon.
Execute 25 downed zombies.
Kill 100 zombies in total.
Stealth kill 25 zombies.
Kill 25 zombies with pistol headshots.
Kill 10 zombies with close range shotgun blasts.
Acquire the rope.
Kill an airborne Bouncer.
Kill 10 Spitters with a ranged weapon.
Kill 5 Sirens while they are screaming.
Acquire the grappling hook.
Acquire the gas mask.
Acquire the combat flashlight.
Acquire the camera.
Kill 10 Butchers.
Acquire the two-way radio.
Collect all lost stories.
Collect all research logs.
Collect all Charon's logs.
Collect all postcards.
Collect all snapshots.
Collect 25 ammo packs.
Kill 5 enemies in 2 seconds.
Kill 10 enemies in a row without being detected.
Injure a single zombie with your melee weapon, the pistol and the shotgun, then stealth kill it.
Find all the underground secondary areas
Find the underground labs
Complete the underground labs
Acquire the walloper
Acquire the assault rifle
Kill 10 enemies at long range with the walloper
Kill 100 enemies with the assault rifle
Collect all of Ronald's logs
Kill a Dweller using an environmental hazard
Stealth kill a Dweller
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