TheeCrunch

Don't burn yourself out Defeated the Keeper

Real Estate Agent Have all possible town NPCs living in your world.

Toasty! Kill 5 or more mutants with one grenade

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

Army of 42 Rescue 42 Bee Team guards

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

Grate Hall Access the Oubliette

Tailor-made Chose a perfectly fitting armor

Polar Angler Catch all known species of fish in The Pale Reach.

Frozen Favors Finish all side quests in The Pale Reach.

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

What Do We Say To the God of Death? Bandage yourself 3 times in one life

Merchant of Menace Buy a new weapon

Four play-tonics Beat a level with four play-tonics equipped

Outta Spooce Reach the tunnel on the other side of SpooceShrub Forest.

Decked Out Purchase or unlock all relics, equipment, and upgrades.

Army of 44 Rescue 44 Bee Team guards

Super tonic Found and purchased 20 play-tonics

Reaper Kill 30 Sowers.

Suffer Like G Did Complete any level with only one health segment remaining

Army of 46 Rescue 46 Bee Team Guards

Scream Train Complete "Scream Train" in Story Mode

Cold Corruptions Catch all aberrations in The Pale Reach.

Act 4 Cleaner Complete Act 4 on Nightmare difficulty

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

Real men don't need a map Just in case you picked up a shielding map

Wander and the Forbidden Clear the game in hard difficulty

Army of 48 Rescue 48 Bee Team Guards

Full Guard Shield Get Assemble all 48 Bee Team Guards

Endangered Lizards Killed all shining lizards

Psychological warfare Manipulated the Keeper's magic schools

Relic Roundtable Defeat an enemy by using each relic.

Round the Riverbend Find the Secret in Blood Stream.

Bloody Lust Kill Isaac with Samson

Muppet Mastery Complete The Muppet pack's story

Climber Reached top of the shrine

Conservation of Energy Gain 350 shields with a single use of Sigma's Kinetic Grasp in Quick or Competitive Play.

Spirited Sparring Kill 500 enemies with Ultimate Skills as a Spiritborn.
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Unflinching Complete 15 Objectives in the third Sub-Zone or further without falling DBNO.

Secret World Discover your first secret world.

Bubble Breaker Destroy 2000 regenerating blocks.

The Fetid Waters Complete "The Fetid Waters" in Story Mode

Altered Prospects Start a new game with a modifier enabled.

Respect for the dead Plundered all four resting places

The Book Of Secrets Kill Satan with Eden

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Gir-Tab Defeat the Gir-Tab variant.

Super Sphere Destroy 5 enemies within 5 seconds using Chaos Spheres.

The High Hat Defeat a boss on Inkwell Isle IV without killing any of its minions

Lazarus' Rags Kill Isaac with Lazarus