Unlocked: Jan 17, 2013 6:36pm
Complete any level in single player.
Unlocked: Jan 18, 2013 12:43pm
Rip out 10 Rocketeer hearts.
Unlocked: Jan 27, 2013 6:12pm
Tear off 10 Kleer heads.
Unlocked: Jan 19, 2013 11:22am
Squash 10 Hatchling spiders.
Unlocked: Jan 19, 2013 11:17am
Rip 10 Juvenile spiders apart.
Unlocked: Jan 19, 2013 11:47am
Break 5 Arachnoid necks.
Unlocked: Jan 19, 2013 11:30am
Kill the kicked enemy while it is still in the air.
Unlocked: Jan 27, 2013 6:06pm
Kill an enemy with a gib torn from another enemy.
Unlocked: Jan 18, 2013 12:44pm
Kill 3 enemies in one sprint with the Sledgehammer.
Unlocked: Jan 17, 2013 6:32pm
Kill at least 5 headless kamikazes in one explosion.
Unlocked: Jan 17, 2013 6:47pm
Wanted Dead or Alive
Rescue professor Stein. So to say.
Unlocked: Jan 19, 2013 11:33am
Get the hell off my ride!
Secure the bird.
Unlocked: Jan 27, 2013 6:07pm
All Your Base Are Belong To Us!
Unlocked: Jan 18, 2013 12:50pm
Smash 20 Kleers with the Sledgehammer.
Unlocked: Jan 19, 2013 4:18pm
Find Sam's classic outfit
Complete the single player campaign.
Are You Serious!?
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.
Load of Scrap
Rip Scrapjack's head off.
Complete the game in single player without manually reloading, aiming or sprinting.
Perform all possible finishing moves in the game.
Wall of Bullets
Kill 20 enemies with the Minigun without releasing the trigger.
Decipher an Egyptian text.
Decipher all Egyptian texts.
Solve the riddle of the Sphynx.
Kill a Witch-Bride of Achriman.
Power up the Timelock.
The doorman should wear a suit
Awake the Guardian of Time.
Use the Mutilator to surf after a Werebull.
Pierce 5 enemies with one Devastator round.
Up Close and Personal
Gib 20 enemies from close range with a shotgun.
Kill an enemy using the Mutilator.
Decapitate a Khnum.
Circle of death
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.
Look, it's a secret
Find at least 50 secrets in single player.
Find all secrets in single player.
Complete The Guardian of Time in single player on serious difficulty without dying or loading.
Find the Vista secret.
Complete any level in cooperative with at least 2 players.
Complete the campaign in cooperative with at least 2 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.
Complete a deathmatch game with at least 1 frag.
Win 10 deathmatch games.
Look Ma, I won!
Win a versus match.
Frag 20 players with the Sledgehammer.
Complete a Beast Hunt match
Score a total of 10 points in CTF matches.
Make at least 3 kills in one Instant Kill match.
Last Man Standing
Win one round in Last Man Standing game with at least 4 players.
Heavy Weight Champion
Win one My Burden match with at least 3 players.
Earn a medal in Survival.
Earn a gold medal in Survival.
Jewel of the Nile
Complete the Jewel of The Nile single player campaign.