Mamout

Fully Loaded Completely Upgrade Kratos

Riddle Resolver Solve 85% of Riddler challenges

Five Fully Upgraded Weapons Fully upgrade five weapons

Sponge Smasher Defeat 100 robots as SpongeBob

Mano-A-Mano Defeat Titan henchman without using Batarangs (any play mode)

Lost And Found Uncover the secret of Arkham City

Sandstorm We are legion

Fully Researched Bouncer Fully research the Bouncer

Jellyfishing Complete Squidward's Mission in Jellyfish Fields.

Possessive Spy Finished the mission using only the Sheik.

No Holds Barred Defeat 5 enemies with Coco's Spin.

Hide And Seek A deadly game of hide and seek

Swinger Ring out an enemy with the Club

Maybe you should call a Doctor? Keep the Rage Meter Filled for 2+ Minutes

Fireproof Complete the Screw of Archimedes without getting hit by the Fire Traps

Crack The E Nigma Solve every riddle on the island

Chose Afterlife Entered the Infraworld.

World's Greatest Detective Spirit of Amadeus Arkham revealed

Ghost Train Fight for survival

IQ Test Solve the first riddle

Arkham City Sirens Drop in on an old friend

Casual Girl Ordered a pizza, watched some TV and wore something casual.

Freefall Don't look down

Tonic Collector Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

8X Multiplier! Get an 8X Multiplier

Sock Getter Find 15 of Patrick's Socks

Found Cohen's Room The player has entered Sander Cohen's personal quarters

Lubed up Complete the slide in the Statue of Apollo without dying

Exit Stage Right All the world is a stage

Are you ready now? Talk to Squidward 10 times as SpongeBob.

Tag Teamed Hit 100 Enemies with the Oath Stone of Orkos

Research PhD Max out all possible research

If it ain't broke... Reconstruct all of the Decayed Chests

In Love with Ryan Slept with Ryan.

Sweet Victory Defeat Robo-Sandy in the Poseidome.

Avid Inventor Successfully invent at least 100 items

Can't Stop, Won't Stop. BadBoy! Perform a 1000 Hit Combo

No Drake. You can't have these. Collect all Artifacts in the game

Super Spatula Seeker Get 25 Golden Spatulas.

Houdini Got arrested three times and escaped each time.

Uptown and Downtown Complete Mrs Puff's Mission in Downtown Bikini Bottom.

Weapon Specialist Acquire all upgrades for all weapons

Surf's Up! Finish the main missions of Goo Lagoon

Stop the Clock Time is running out

Aiden's Apocalypse Destroyed the gas station, the church, the gun store and the helicopter.

Squirrel Smasher Defeat 100 robots as Sandy

Conundrum Rescue the first hostage from Riddler

Saved All Saved every character that could be saved.

Hold Still Please Slow 100 Enemies with the Amulet of Uroborus

Toxic Terror Defeat Robo-Patrick in the Industrial Park.