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