CyrusQ

Assist Deal more than 50% of the damage to an enemy killed by another player.

Army of 24 Rescue 24 Bee Team guards

Four Birds, One Stone Pigsy's Perfect 10: Kill 4 Mechs with 1 Bomb device.

Seal the Deal Complete a Triumph Seal.

Electric Whisper Learn how to craft Electric Arrows

Survival Treasures In a public match, escape while bringing a new item to the campfire.

Beating Crow Mastered all combat techniques from Corvus

The Bigger They Are... Destroy a total of 100 Custom Cyborgs during story mode.

Catch Me If You Can Activate thrusters on a Bat vehicle

Field Modified, Kill Certified Upgrade every slot for a weapon

Great Success Gain S+ on all U.S.S. missions on Veteran or Professional difficulty

Four's a Party Play 3 games in the Free-for-All matchmaking queue.

Pure Pawn In single player Story mode, sell 10000 credits worth of items or ammunition.

Thank You　 Watch through the entire Credits sequence.

Hell Razor Kill a Burnout using the helicopter that arrives in Crash Site

The Pipeline Complete mission 4: "The Pipeline"

Army of 26 Rescue 26 Bee Team guards

Supernova Get 3 Stars on 20 different Echoes

Last breath death Kill 10 enemies while health is low

Perfect Attendance Play Smart As on 100 different dates

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Knowledge is Power Collect all logs through out the game.

Fight With Care, Bear Defeat Ursa Major without taking a punch.

One hell of a party! Complete all of the Secret Missions

A shining inspiration to us all! Achieve the rank of Grand Lord (Rank 25).

Way of the Vanquisher Completed "Against All Comers" on Dream of the Demon or higher.

The legend was not enough Reach the LEGEND rank in 3 different fields of expertise

Gemologist Have 10 unused gems in your ship at one time.

Finish Him! Eliminate SCORPION.

Is everyone here? Unlock all characters from the original roster.

Apt Survivor Start a public match with a full survivor loadout.

Kerouac Has Nothing on You! Take down all of the barriers
blocking the main road.

Katamari Fan Damacy Obtained a Fan Damacy for the first time.

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

You're a big T.W.I.T. Collector Get 100 T.W.I.T. Coin

The New Time-Master Beat all of Nefarious Tropy's times in Time Trial Mode.

Fast Track On Mean Street, kill all the snipers on the rooftop before the DNA bomb explodes

Like the back of your hand Reach 100% exploration on one REGION in Alps

Happy Trails Complete By the Trail of Our Dead

Army of 28 Rescue 28 Bee Team guards

Seasoned Swashbuckler Complete the Gilded Steam Ship Adventure.

Tomb Raider Collect all relics, artifacts and weapons

Mmm, sausages Whoa, you unlocked a secret area!

Reflect Lord Hit enemies with a reflected projectile 30 times.

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Express Yourself Collect 20 emotes on a single character.
0/100

Army of 30 Rescue 30 Bee Team guards

Knuckle Down Hang in the air for more than 4 seconds using the Dust Knuckles.