Snoopius

RPM Completionist Gain all stars in 'RPM'.

Elements Completionist Gain all stars in 'Elements'.

Rock It! Escape the Workshop

You have your moments Get 5000 Objective Score while playing as any Hero (Multiplayer)

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

Ancient Marrakesh Reach Marrakesh Mastery Level 20.

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

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

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

Pass the Buck Collect one hundred pennies!

Atomic Obliteration - Complete all the Challenges

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

Lamborghini Icons Completionist Gain all the stars in 'Lamborghini Icons'.

Unite In Speed Completionist Gain all stars in 'Unite In Speed'.

Dark Tourist Reach Santa Fortuna Mastery Level 20.

Pillar of the Community Reach Whittleton Creek Mastery Level 20.

Poo! Enter POO as your initials!

One Night in Bangkok Reach Bangkok Mastery Level 20.

Too Old for This Shift Shift through 50 ''Shift Mode'' rifts

Keys to the City Reach Mumbai Mastery Level 20.

Have you tried turning it off and on again? Complete Terminal Error on any difficulty.

Pacesetter Completionist Gain all stars in 'Pacesetter'.

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

Mission Complete Reach Colorado Mastery Level 20.

Velocity Completionist Gain all stars in 'Velocity'.

Of Mice and Chen Complete ''Elements of Surprise''

Evolution Completionist Gain all stars in 'Evolution'.

Kali Ma Complete Abaddon Asylum on any difficulty.

Sayōnara Reach Hokkaido Mastery Level 20.

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

A Can Of Worms Play Trial of the Worm for the first time.

Total protonic reversal Complete Return to Hell on any difficulty.

Torque Completionist Gain all stars in 'Torque'.

You know you're REALLY Insane, right? Complete the entire main campaign on Authentic Plus difficulty

I came in like a Resogun Accumulate a total Wrecking combo of 1,000 in Demolition mode

None more hard Complete the Campaign on Nightmare difficulty.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Restoring Order Complete any hub world renovation

Act 1 Cleaner Complete all Act 1 maps on Nightmare difficulty.

Better than the Best Complete the entire campaign on Authentic Plus difficulty with no manual saves

Honorary Member Reach Isle of Sgàil Mastery Level 20.

The First One is the Hardest Get your first 1,000,000+ combo

Don't make me pull the trigger! Survive for 5 minutes in Demolition mode

Speed Wash Wash your pet in under 60s

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Act 2 Cleaner Complete all Act 2 maps on Nightmare difficulty.

Slow and Steady Win an action race without using any boost, or using a boost pad

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)