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