1. I'm Batman (10) - Become the Bat
2. Acid Bath (10) - Save the damsel, but is she in distress?
3. Savior (10) - Save the medical volunteers
4. Chimney Sweep (10) - There is only one way in
5. One Armed Bandit (10) - Hammer the point home
6. Communication Breakdown (10) - Clear the airwaves
7. Gladiator (10) - Last man standing
8. Wrecking Ball (25) - Stop the unstoppable
9. Lost And Found (10) - Uncover the secret of Arkham City
10. Sand Storm (25) - We are legion
11. Hide And Seek (25) - A deadly game of hide and seek
12. Ghost Train (25) - Fight for survival
13. Freefall (25) - Don't look down
14. Exit Stage Right (50) - All the world is a stage
15. Forensic Expert (10) - Collect enough evidence to locate the gun for hire
16. Contract Terminated (25) - Stop the contract operative
17. Serial Killer (25) - Track down the serial killer
18. Mystery Stalker (15) - Reveal the mystery watcher
19. Distress Flare (5) - Answer the call for help
20. Broken Toys (25) - Destroy it all
21. Ring Ring (5) - Answer a ringing phone
22. Dial Z For Murder (25) - Stop the phone booth killer
23. Stop the Clock (15) - Time is running out
24. Bargaining Chip (15) - Reunite the separated couple
25. AR Knight (25) - Complete all augmented reality training exercises
26. Fully Loaded (10) - Collect all of Batman's gadgets and upgrades
27. Aggravated Assault (10) - Stop all assaults in Arkham City
28. IQ Test (10) - Solve the first riddle
29. Conundrum (20) - Rescue the first hostage from Riddler
30. Mastermind (20) - Rescue the second hostage from Riddler
31. Puzzler (30) - Rescue the third hostage from Riddler
32. Intellectual (30) - Rescue the fourth hostage from Riddler
33. Brainteaser (40) - Rescue the fifth hostage from Riddler
34. Genius (50) - Rescue all the hostages from Riddler
35. Bronze Revenge (10) - Obtain 24 medals on the original Arkham City ranked maps (as Batman)
36. Silver Revenge (20) - Obtain 48 medals on the original Arkham City ranked maps (as Batman)
37. Gold Revenge (40) - Obtain all 72 medals on the original Arkham City ranked maps (as Batman)
38. Campaign Bronze (10) - Obtain 24 medals on the original Arkham City ranked maps (as Batman)
39. Campaign Silver (20) - Obtain 72 medals on the original Arkham City campaigns (as Batman)
40. Campaign Gold (40) - Obtain all 108 medals on the original Arkham City campaigns (as Batman)
41. Flawless Freeflow Fighter 2.0 (5) - Complete one combat challenge without taking damage (any character)
42. Twice Nightly (75) - Complete New Game Plus
43. Gotham Base Jumper (5) - Jump off the tallest building in Arkham City and glide for 1 minute without touching the ground
44. Pay Your Respects (5) - A moment of remembrance
45. Story Teller (10) - Have 12 murderous dates with Calendar Man
46. Catch (5) - Find someone to play remote Batarang catch with
47. 50x Combo (5) - Complete a combo of 50 moves (any play mode, any character)
48. Perfect Freeflow 2.0 (5) - Perform a perfect combo including all of Batman's combat moves (any play mode)
49. Gadget Attack (5) - Use 5 different Quickfire gadgets in one fight (any play mode)
40. Perfect Knight: Day 2 (75) - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddlers Revenge (as Batman)

1. Planes and Flames (50G) – OSB Airstrike upgraded.
2. Distance Warfare (20G) – Achieved Sniper Distance Kill.
3. Bullet Repellent (50G) – OSB Adrenaline upgraded.
4. Finger On the Pulse (50G) – OSB Pulse Wave upgraded.
5. Lighting Their Fire (50G) – OSB Explosive bullets upgraded.
6. Nowhere to Hide (5G) – Killed 10 enemies through cover.
7. Up Close and Personal (5G) – Killed 10 enemies using melee.
8. Hitman (5G) – Killed 10 enemies with a headshot.
9. Stealing Is Wrong, Kids! (20G) – Scavenger Population Diminished.
10. Bad Medicine (20G) – Medic Population Diminished.
11. Wishing This Was Vegas (30G) – Achieved all objectives in Asia.
12. You FTW (30G) – Broke down the enemy’s door.
13. Welcome to Africa – Tutorial (15G) – Induction Completed.
14. Wind of Change (50G) – Achieved all objectives in Africa.
15. Warmonger (45G) – Single player challenge complete on hard.
16. Military Intelligence (10G) – Highest value intel collected following multiple skillkills.
17. Bullet Dodger (30G) – Single player challenge complete on normal.
18. Easy-Peasy (20G) – Single player challenge complete on easy.
19. Robert Ford Style (5G) – Killed 10 enemies from behind.
20. Kept At Bay (10G) – Survived the Pirate Bay siege.
21. Out of the Darkness (10G) – Survived the Mine siege.
22. Don’t Call A Doctor (10G) – Survived the Militarised Compound siege.
23. Online Can Of Whoop-Ass (30G) - Achieved 50 co-op kills within a siege.
24. Never Say ‘Die’ (50G) – Achieved 100 co-op kills within a siege.
25. Killed ‘Em All (50G) – Won 10 Deathmatches of any type.
26. Kilo-Killer (50G) – 1000 online kills.
27. Team Bodycount! (15G) – Won a Team Deathmatch.
28. Beat the Street (10G) – Survived the Street siege.
29. 2nd Place Equals Death (5G) – Won a Deathmatch.
30. Last Breath Death (5G) – Killed 10 enemies while health is low.
31. Bullet With Their Name On It (5G) – Killed 10 enemies with the last round in your weapon.
32. Leg Frag (5G) – Killed 10 enemies with mines.
33. Bombastic (5G) – Killed 10 enemies with explosives
34. Hot Potato (5G) – Killed 10 enemies with grenades.
35. The Professional (50G) – Skillkill x25.
36. Rain of Fire (30G) – Killed 5 enemies at once with a single Airstrike.
37. Network Weapon (50G) – Skillkill x10.
38. Under Their Nose (5G) – 10 surprise kills executed.
39. Multiboom-Doom (10G) – Killed 3 enemies at once with a single grenade.

Secret Achievements
 40. A Very Bad Feeling (20G) – Survived K-8 Nemesis Widowmaker encounter.
 41. Sleep When I’m Dead (50G) – Defeated K-8 Nemesis Widowmaker. Read more: Bodycount

Achievement List

• Marcus, It’s Your Father – 5G  Story Progression in Prologue (Standard or Arcade). 
• Swimmin’ in Glowie Gravy – 10G Story Progression in Act 1 Chapter 2 (Standard or Arcade). 
• We Struck Gold, Son! – 10G Story Progression in Act 1 Chapter 3 (Standard or Arcade). 
• My Turf! Cougars Territory! – 10G Story Progression in Act 1 Chapter 5 (Standard or Arcade).
• Putting it Scientifically… – 10G Story Progression in Act 1 Chapter 6 (Standard or Arcade).
• Okay, Now We Find Hoffman – 10G Story Progression in Act 2 Chapter 1 (Standard or Arcade).
• Oh Yeah, It’s Pirate Time – 10G Story Progression in Act 2 Chapter 5 (Standard or Arcade).
• Thanks For Flying GasBag Airways – 10G Story Progression in Act 2 Chapter 7 (Standard or Arcade). 
• Anvil Gate’s Last Resort – 10G Story Progression in Act 3 Chapter 1 (Standard or Arcade).
• Was it Good For You? – 10G Story Progression in Act 3 Chapter 2 (Standard or Arcade).
• Lost Your Good Driver Discount – 10G Story Progression in Act 3 Chapter 3 (Standard or Arcade).
• Brothers to the End – 10G Story Progression in Act 3 Chapter 5 (Standard or Arcade).
• Think You Can Handle That? – 10G Story Progression in Act 4 Chapter 3 (Standard or Arcade).
• Baird’s Favorite Kind of Toy – 10G Story Progression in Act 4 Chapter 5 (Standard or Arcade).
• Welcome To -redacted- – 10G Story Progression in Act 4 Chapter 6 (Standard or Arcade).
• Look at That, Instant Summer. – 10G Story Progression in Act 5 Chapter 2 (Standard or Arcade).
• Ok. Faith. Yeah. Got It. – 10G Story Progression in Act 5 Chapter 5 (Standard or Arcade). You’re Dead! 
• Now Stay Dead! – 10G Story Progression in Act 5 Chapter 6 (Standard or Arcade).
• Ready for More – 50G Complete all campaign Acts on Casual or Normal Difficulty (Standard or Arcade). 
• Ain’t My First Rodeo – 50G Complete all campaign Acts on Hardcore Difficulty (Standard or Arcade). That’s Just Crazy – 75G Complete all campaign Acts on Insane Difficulty (Standard or Arcade).
• Collector – 5G Recover 5 Campaign Collectibles (any difficulty, Standard or Arcade).
• Pack Rat – 10G Recover 20 Campaign Collectibles (any difficulty, Standard or Arcade).
• Hoarder – 15G Recover all 42 Campaign Collectibles (any difficulty, Standard or Arcade).
• Remember the Fallen – 15G Recover all 15 COG Tags during the Campaign (any difficulty, Standard or Arcade). 
• My Fellow Gears – 50G Complete all Campaign Acts in Co-op (any difficulty, Standard or Arcade).
• We Few, We Happy Few… – 50G Complete all Campaign Acts in 4 player Co-op (any difficulty, Standard or Arcade).
• Level 5 – 5G Reach level 5.
• Level 10 – 10G Reach level 10.
• Level 15 – 15G Reach level 15.
• Level 25 – 25G Reach level 25.
• Level 50 – 50G Reach level 50.
• Judge, Jury and Executioner – 10G Get a kill with every possible execution finishing move (any mode). 
•  Wreaking Locust Vengence – 10G Get a kill with every Locust monster in Beast mode (any difficulty). 
• Enriched and Fortified – 10G Complete all 50 waves of Horde mode (any difficulty, any map). 
• It’s All About the Loot! – 25G Earn the Bronze “Loot Courtesan” medal.
• All for One, One for All – 10G Earn the Bronze “Force Multiplier” medal.
• First Among Equals – 25G Earn the Silver “Number 1″ medal.
• Award Winning Tactics – 25G Earn at least one Onyx medal.
• Seriously 3.0 – 100G Reach level 100 and earn every Onyx medal.
• Welcome to Versus – 10G Kill 10 enemies in Team Deathmatch (Standard or Casual).
• The Versus Sampler Platter – 10G Complete one match of all six Versus game modes (Standard or Casual).
• Welcome to Horde Mode – 10G Survive the first 10 waves of Horde mode (any difficulty, any map).  
• Welcome to Beast Mode – 10G Survive all 12 waves of Beast mode (any difficulty, any map).
• Welcome to Arcade Mode – 10G Complete 5 Arcade Campaign chapters in co-op (any difficulty).
• Welcome to the Big Leagues – 0G Demonstrate your skill in Casual Versus multiplayer.
• Wait, What Time is it? – 10G Earn the maximum Consecutive Match Bonus in Versus multiplayer (Standard or Casual).
• Lambency – 50G Execute an Epic employee, or someone who already has Lambency, in Versus multiplayer (any mode). 
• Socialite – 70G Earn the Onyx “War Supporter” medal. 

Secret Achievements 
Secret Achievement – 5G