Kill a 100 Chompers

Kill a 100 Stalkers

Kill 50 Hunters

Survive 10 waves with the broken reactor

Kill a 100 enemies with the phage

Kill a 100 enemies with the warden

Kill a 100 enemies with the INFAMY

Play alone for the first time

Play with two other people for the first time

Play alone until wave 20

Play with two other people until wave 20

Play alone until wave 40

Play with two other people until wave 40

Repair the reactor for the first time

Repair the reactor 25 times

Survive until wave 10

Survive until wave 50

Get up and survive after falling 10 times

Be the last player alive in a wave while playing with 4 players

Buy 10 weapons in a single match

Spent 1000000 money.

Shoot with all weapons in a alien hole.

Kill a 100 enemies with the Knife.