Unlock all other thropies

Kill the ivy spider for the first time.

Use 50 first-aid items.

Locate and retrieve the hunting shotgun.

Block 10 air vents.

Locate and retrieve the sledgehammer.

Decapitate heads of 10 zombies.

Use a turret to kill a boss.

Kill the optional boss.

Kill 100 spiders.

Kill a monster with the The LSM-9 Laser Sensor Mine.

Find a safe bed and sleep.

Finish the game.

Smash an elevator loudspeaker.

Find 50 Augment Cells.

Block all the vents in the Reactor battle.

Find the farewell tag.

Throw 100 glowsticks.

Kill 50 monsters with the knife.

Finish the game on HELL difficulty.