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.
Solve the riddle of the Sphynx.
Kill an enemy using the Mutilator.
Complete any level in cooperative with at least 2 players.
Tear off 10 Kleer heads.
Kill an enemy with a gib torn from another enemy.
Kill a Witch-Bride of Achriman.
Power up the Timelock.
Wall of Bullets
Kill 20 enemies with the Minigun without releasing the trigger.
Smash 20 Kleers with the Sledgehammer.
Break 5 Arachnoid necks.
Rip out 10 Rocketeer hearts.
Kill the kicked enemy while it is still in the air.
The doorman should wear a suit
Awake the Guardian of Time.
Kill 5 Cave Demons while they're in air.
Find Sam's classic outfit
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.
Circle of death
Kill at least 3 enemies in one spinning Sledgehammer attack.
Kill 3 enemies in one sprint with the Sledgehammer.
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.
Decapitate a Khnum.
Look Ma, I won!
Win a versus match.
Complete the campaign in cooperative with at least 2 players.
Earn a gold medal in Survival.
Look, it's a secret
Find at least 50 secrets in single player.
Make at least 3 kills in one Instant Kill match.
Complete a Beast Hunt match
Frag 20 players with the Sledgehammer.
Jewel of the Nile
Complete the Jewel of The Nile single player campaign.
Score a total of 10 points in CTF matches.
Last Man Standing
Win one round in Last Man Standing game with at least 4 players.
Are You Serious!?
Complete the game in single player on unmodified serious difficulty.
Complete a Coin-op cooperative game on normal or higher difficulty.
Win 10 deathmatch games.
Pick up at least 10 extra life items.
Find all secrets in single player.
Heavy Weight Champion
Win one My Burden match with at least 3 players.
Complete the game in single player in half the estimated time on each level.
Decipher all Egyptian texts.
Pick up 100 gold coins.
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.