No missable achievements (plus 23 unknown)
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Beat the game on Easy setting
Kill 200 Zombies in combat
Beat the game on Medium setting
Beat the game on Hard setting
Take 200 points of physical damage
Use items to bypass 50 traps
Kill 50 Rats in combat
Kill 10 Slimes in combat
Kill 100 Agents in combat
Take 250 points of radiation damage
Kill 50 Mutants in combat
Take 100 points of venom damage
Kill 1000 monsters in combat
Kill the Meat Machine 25 times in combat
Discover all 9 Outcomes
Kill Darkness 25 times on any difficulty
Punch Darkness... Right in the face
Kill 2000 enemies in combat
Kill one of every enemy type in a single game
Have your Chainsaw destroyed while having the Knife still in your inventory
Find a way to use Time Grenades on the Slime in the second deck to send it back in time
Kill the Suicide Cultist with the Implosion Vest
Kill one of every enemy type in a single game on Classic difficulty