Upgraded any weapon to its max power

Used every Psi Canister

Purchased every item in the shop

Completed every level

Kill another player

Reached the hidden stash on "Blow Out"

Reached the center of the Vault

Completed "Ground Floor 2" without lowering the bridge over the moat

Filled all cyber upgrade slots on a character

Obtained all achievements

Defeated the Machine on Hard or higher

Entered the exit elevator with only 3 or less seconds on the timer

Reached the exit elevator on "Lagerhaus" without a single barrel being destroyed

Killed any monster with a exit elevator

Defeated the Machine on Extreme or higher

Picked up all loot in a level

Defeated the Machine on Suicide

Died with a character

Used any Psi Canister with 7 or higher Mental Power

Defeated the Machine without purchasing a Minimap Upgrade

Killed a mortar marine with your own mortar

Killed by a surprise box

Reached an exit elevator without moving

Complete the game without purchasing anything from the shop

Leave no witnesses on "Prison Block A" or "Prison Block B"

Defeated the Machine in less than 4 hours on Moderate or higher

Defeated the Machine on Moderate or higher