Shoot down 30 projectiles
Teleport 1000 times
Complete the first laser minigame
Put out the fires in the BFG central chamber
Fully upgrade a single Combat Chassis subsystem
Telefrag into 25 demons
Telefrag into a Possessed Engineer and explode
Complete the first level
Use a Weapon Upgrade Station
Use an Argent Cache
Acquire all weapons
Travel to Hell
Collect all of the DoomGuy Dolls
Complete the single player campaign on any difficulty
Complete all of the hacking minigames
