Batman - Arkham Asylum - Platform: XBox 360

Achievements:
------------- 
Accomplish the indicated achievement to get the corresponding number of 
Gamerscore points:

  Big Bang (50 points): Complete story mode on Easy difficulty. 
  Bigger Bang (50 points): Complete story mode on Normal difficulty. 
  Biggest Bang (50 points): Complete story mode on Hard difficulty. 
  Party Pooper (10 points): Time to break up this party. 
  Freeflow Combo 20 (10 points): Complete a combo of 20 moves (any play mode). 
  Freeflow Combo 40 (10 points): Complete a combo of 40 moves (any play mode). 
  Night Glider (5 points): Glide continuously for over 100m. 
  Rope-A-Dope-A-Dope (10 points): String up one henchman and drop him to 
  surprise a second (any play mode). 
  Mano-A-Mano (10 points): Take on a beast in hand to hand combat. 
  Catch! (5 points): Catch a Batarang (any play mode). 
  Freeflow Combo 5 (5 points): Complete a combo of 5 moves (any play mode). 
  Freeflow Combo 10 (5 points): Complete a combo of 10 moves (any play mode). 
  Freeflow Perfection (10 points): Perform a perfect combo including all of 
  Batman's combat moves (any play mode). 
  Freakshow Rodeo (10 points): Ride a beast and unleash its power. 
  Freeflow Bronze (10 points): Achieve 8 medals on combat challenges. 
  Freeflow Silver (25 points): Achieve 16 medals on combat challenges. 
  Freeflow Gold (50 points): Achieve 24 medals on combat challenges. 
  Predator Bronze (10 points): Achieve 8 medals on predator challenges. 
  Predator Silver (25 points): Achieve 16 medals on predator challenges. 
  Predator Gold (50 points): Achieve 24 medals on predator challenges. 
  Invisible Predator (10 points): Complete one predator challenge by using only 
  Silent Takedowns and without being detected. 
  Flawless Freeflow Fighter (10 points): Complete one combat challenge without 
  taking damage. 
  Crack The E Nigma (20 points): Solve every riddle on the island. 
  Arkham Analyst (20 points): Solve 5% of Riddler challenges. 
  Cryptic Investigator (20 points): Solve 10% of Riddler challenges. 
  Lateral Thinker (20 points): Solve 25% of Riddler challenges. 
  Mystery Solver (20 points): Solve 40% of Riddler challenges. 
  Conundrum Cracker (20 points): Solve 55% of Riddler challenges. 
  Mental Athlete (20 points): Solve 70% of Riddler challenges. 
  Riddle Resolver (20 points): Solve 85% of Riddler challenges. 
  World's Greatest Detective (20 points): Solve Arkham's biggest mystery. 
  Perfect Knight (75 points): 100% Complete.