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