Continue playing to unlock this secret achievement.
Completed Single Player Game on Agent Difficulty Setting
Experienced the original, classic adventure game, as it was in the early 90s.
Complete 'Ghost Town' on hard
Complete 'Crash and Grab' on hard
Climb to the highest spot in the game
Complete 'Air Force One' on hard
Destroy 50 vehicles. (containing enemy AI)
Complete 'Par for the Course' on hard
Drive all vehicle types (Jeep, Tank, Heli, Boat)
Complete 'Acta Non Verba' on hard
Complete 'Crossing Over' on hard
Find 5 unique collectables
Find half of all collectables
Knock down a small forest
Complete 'Welcome To Bad Company' on hard
Kill 25 enemies
Destroy 200 walls
Use Auto Injector 50 Times
Find one gold bar
Completed the Ultor Exposed mission arc
Survive an entire campaign using only pistols.
Punch a Hunter as he is pouncing.
Survive the Death Toll campaign.
Shove a Hunter off of a pinned and helpless Survivor.
Kill an Infected with a single blow from behind.
Rescue a Survivor trapped in a closet.
Give pain pills to 10 Survivors.
Kill a Witch without any Survivor taking damage from her.
Sneak past all Witches in a campaign without disturbing one.
Survive the Dead Air campaign.
Survive the Blood Harvest campaign.
Beat a campaign with all 4 Survivors.
Survive the No Mercy campaign.
Light a Witch with a Molotov.
Heal 25 Survivors with a first aid kit.
Heal a fellow Survivor when your own health is below 10.
Protect any Survivor from an attacking Infected 50 times.
Kill 10 Smokers as they are pulling helpless Survivors.
Headshot a Hunter while he's leaping.
Set 101 Infected on fire.
Make 100 headshot kills.
Blow up 20 Infected in a single explosion.
Free yourself from a Smoker who has grabbed you with his tongue.
Light a Tank with a Molotov.
You or another Survivor take no damage after being vomited on by a Boomer.
Kill a Tank without it dealing any damage to a Survivor.