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