Game Achievements:

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