Buy the tactical vest

Improve the grenade launcher to the maximum

Improve the rocket launcher to the maximum

Upgrade all weapons and equipment in the store

Kill 50 zombies

Kill 50 witches with the power enhanced grenade launcher

Repair the turret

Kill 66 demons with the upgraded double barrel shotgun

Destroy the replicator ship at level 5

Destroy 100 machines

Kill the final boss in normal mode

Kill the final boss in hard mode

Kill the final boss in impossible mode

Kill the worm in impossible mode

Assembling the Peacemaker

Assembling the Smart Armor