Complete the campaign in cooperative with at least 2 players.
Complete a Coin-op cooperative game on normal or higher difficulty.
Awake the Guardian of Time.
Kill an enemy using the Mutilator.
Decapitate a Khnum.
Power up the Timelock.
Kill a Witch-Bride of Achriman.
Solve the riddle of the Sphynx.
Secure the bird.
Rescue professor Stein. So to say.
Complete any level in cooperative with at least 2 players.
Complete a Beast Hunt match
Rip out 10 Rocketeer hearts.
Frag 20 players with the Sledgehammer.
Win 10 deathmatch games.
Win one round in Last Man Standing game with at least 4 players.
Win one My Burden match with at least 3 players.
Make at least 3 kills in one Instant Kill match.
Complete a deathmatch game with at least 1 frag.
Win a versus match.
Score a total of 10 points in CTF matches.
Complete any level in single player.
Kill an enemy with a gib torn from another enemy.
Complete the single player campaign.
Complete the game in single player on unmodified serious difficulty.
Complete the game in single player in half the estimated time on each level.
Remove 10 Gnaar eyes.
Break 10 Soldier necks.
Tear off 10 Kleer heads.
Squash 10 Hatchling spiders.
Rip 10 Juvenile spiders apart.
Break 5 Arachnoid necks.
Rip Scrapjack's head off.
Kill the kicked enemy while it is still in the air.
Kill 3 enemies in one sprint with the Sledgehammer.
Complete the game in single player without manually reloading, aiming or sprinting.
Kill at least 5 headless kamikazes in one explosion.
Perform all possible finishing moves in the game.
Kill 20 enemies with the Minigun without releasing the trigger.
Decipher an Egyptian text.
Decipher all Egyptian texts.
Use the Mutilator to surf after a Werebull.
Pierce 5 enemies with one Devastator round.
Gib 20 enemies from close range with a shotgun.
Smash 20 Kleers with the Sledgehammer.
Kill at least 3 enemies in one spinning Sledgehammer attack.
Kill 5 Cave Demons while they're in air.
Blow a Major Biomechanoid into pieces.
Find at least 50 secrets in single player.
Find all secrets in single player.
Find Sam's classic outfit
Complete The Guardian of Time in single player on serious difficulty without dying or loading.
Find the Vista secret.
Pick up at least 10 extra life items.
Pick up 100 gold coins.
Earn a medal in Survival.
Earn a gold medal in Survival.
Complete the Jewel of The Nile single player campaign.
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