Full list of all 46 LEGO Batman achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
Build 50 LEGO build-its.
Glide for 9 seconds.
Slam 20 goons into the floor with Batman.
Complete the first episode - Hero.
Collect all suits.
Defeat 8 goons in 8 seconds.
Complete the second episode - Hero.
Defeat Killer Moth.
Destroy 10 objects in one Batarang throw.
Complete the third episode - Hero.
Unlock all the Hero characters.
Finish a level without dying (Character) with no extras.
Defeat Joker, Two-Face, Riddler and Catwoman as Batman.
Complete the first episode - Villain.
Build the giant LEGO Robot.
Defeat 10 goons and 10 police officers with Two-Face in a level.
Freeze 50 enemies as Mr. Freeze.
Destroy 20 policemen with penguin bombers.
Complete the second episode - Villain.
Defeat Catwoman 9 times.
Throw 50 policemen with superstrength.
Build the Croc ride on.
Complete the third episode - Villain.
Smash all the cars in the robot level.
Shock 30 people with Joker's hand buzzer.
Defeat Commissioner Gordon with Harley Quinn's Hammer.
Complete Arkham Bonus level.
Knock 5 people into the ground with a vehicle at once.
Eat 15 enemies with the Venus ride on .
Scare 5 enemies with Scarecrow.
Unlock all Vehicles (Hero/Villain).
Complete Wayne Manor bonus level.
Super Hero on every level.
As Bane do the Backbreaker on Batman.
Shock the Joker with the Joker.
Destroy 12 objects at once with Bat Bombs.
Use Mad Hatter's mind control to walk 5 enemies to their deaths.
Complete a level in co-op.
Collect all Memorabilia.
Unlock all the Villain characters.
100% game completion.
Rescue 25 civilians.
Get all suit upgrades.
Max out the stud counter.
Perform 20 backflips in a row with Robin.
Smash all street lights in Episode 1 Chapter 1.