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