hexgoblin

Motion in the Explosion Kill 5 enemies with the Kinetic Mine in Multiplayer

Reaping all the Benefits Kill 10 enemies with the Reaper in Multiplayer

Digger Find 5 secrets

Slotted for Success Unlock all Multiplayer Runes

Tenderizing the Crops Kill 10 enemies with the Harvester demon in Multiplayer

Empty Gesture Drop your co-op partner in goo while they are gesturing by removing the bridge under them

Enraged Kill 5 enemies within 10 seconds on normal or higher difficulty setting in campaign mode

Head First Kill 10 enemies with the Spectre demon in Multiplayer

Firestarter Kill 20 enemies using only environmental damage in campaign mode

Eat Your Vitamins Kill 10 enemies with the Cacodemon in Multiplayer

Bowling for Gibs Perform a MultiKill with the Spectre demon in Multiplayer

Anarchist Kill a Warlord on normal or higher difficulty setting in campaign mode

Four Ring Circus Enter 4 different portals without touching the ground in co-op

Asking for Trouble Taunt GLaDOS in front of a camera in each of the five co-op courses

Crying Assassin Kill 500 enemies in campaign mode

The Touch! Obtain 5 power upgrades in campaign mode

Go for the Gold Earn a gold rating in Arcade Mode

Senpai Learn 10 skills in campaign mode

Iron Grip Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

Party of Three Find the hidden companion cube in co-op test chamber

Computing with Style Play a Multiplayer Match with a piece of Robotic Armor equipped

Armed And Dangerous Buy 5 weapon upgrades in campaign mode

Massacre Obtain 200 massacre bonuses in campaign mode

Headshot Kill 50 enemies with a headshot in campaign mode

Filling the Trophy Case Earn every medal type in Arcade Mode in one run

Portal Conservation Society Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements

Beauty is Pain Play a Multiplayer Match with a piece of Cyber-Demonic armor equipped

Treasure Raider Find 25 secrets

Spell Breaker Kill a Shaman on normal or higher difficulty setting in campaign mode

Hoodlum Destroy 1000 destructible items in campaign mode

Tranquillizer Kill 50 enraged demons in campaign mode

Triple Crown Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each

No Point in Dying Complete the game in one sitting with five or less deaths

Matador Defeat Gozu on normal or higher difficulty setting

Bloodbath Kill 3 enemies with one shot on normal or higher difficulty setting in campaign mode

Still Alive Complete Course 4 with neither you nor your co-op partner dying

Furious Kill 10 enemies within 15 seconds on normal or higher difficulty setting in campaign mode

Agent Of Mayhem Kill 150 enemies using only environmental damage in campaign mode

Nervine Kill a Berserker on normal or higher difficulty setting in campaign mode

Horse Whisperer Defeat Mezu on normal or higher difficulty setting

Demolished Kill 100 enemies with explosive environmental objects in campaign mode

Berserk Kill 15 enemies within 20 seconds on normal or higher difficulty setting in campaign mode

Specialist Kill 100 enemies using katana special attacks in campaign mode

Shadow Warrior Complete the game on normal or higher difficulty setting

Head Hunter Defeat Xing on normal or higher difficulty setting

Merciless Kill 50 crawling demons in campaign mode

Toasted Burn 100 enemies to death in campaign mode

Defused Kill 100 Mother demons before they explode in campaign mode

Headache Kill 50 enemies using a demon head in campaign mode

Pucker Up Kiss 6 Stormcage Guards