Unlock all trophies.
Complete the game in single player on unmodified serious difficulty.
Decipher all Egyptian texts.
Find all secrets in single player.
Complete the game in single player in half the estimated time on each level
Perform all possible finishing moves in the game.
Rip Scrapjack's head off.
Complete the single player campaign.
Awake the Guardian of Time.
Pierce 5 enemies with one Devastator round.
Kill 3 enemies in one sprint with the Sledgehammer.
Start the car.
Power up the Timelock.
Use the Mutilator to surf after a Werebull.
Kill a Witch-Bride of Achriman.
Kill 20 enemies with the Minigun without releasing the trigger.
Gib 20 enemies from close range with a shotgun.
Smash 20 Kleers with the Sledgehammer.
Blow a Major Biomechanoid into pieces.
Solve the riddle of the Sphynx.
Defeat the spaceship.
Break 5 Arachnoid necks.
Secure the bird.
Find at least 50 secrets in single player.
Rip 10 Juvenile spiders apart.
Break 10 Soldier necks.
Decipher an Egyptian text.
Find Sam's classic outfit
Kill the kicked enemy while it is still in the air.
Kill an enemy with a gib torn from another enemy.
Kill at least 5 headless kamikazes in one explosion.
Tear off 10 Kleer heads.
Rescue professor Stein. So to say.
Squash 10 Hatchling spiders.
Complete any level in single player.
Remove 10 Gnaar eyes.
Complete any level in cooperative with at least 2 players.
Decapitate a Khnum.
Kill an enemy using the Mutilator.
Rip out 10 Rocketeer hearts.