Complete each achievement to get the allotted gamerscore. The numbers between the () is the points given for each achievement.
| Achievement | How to unlock |
|---|
| 0000001 00000011. (20) | Build the giant LEGO Robot. |
| 1007 Mountain Drive. (30) | Complete Wayne Manor bonus level. |
| Atomic Backbreaker. (20) | As Bane do the Backbreaker on Batman. |
| Be a Hero. (40) | Super Hero on every level. |
| Boy Wonder. (10) | Perform 20 backflips in a row with Robin. |
| Cobblepot School of Driving. (20) | Smash all the cars in the robot level. |
| Crime Lord. (25) | Complete the third episode - Villain. |
| Crusader. (25) | Complete the third episode - Hero. |
| Down the rabbit hole. (20) | Use Mad Hatter's mind control to walk 5 enemies to their deaths. |
| Dressed to Impress. (20) | Get all suit upgrades. |
| Eat floor... High fiber. (15) | Slam 20 goons into the floor with Batman. |
| Gentlemen, start your screaming. (15) | Knock 5 people into the ground with a vehicle at once. |
| Heads I win, tails you lose. (20) | Defeat 10 goons and 10 police officers with Two-Face in a level. |
| Hero. (25) | Complete the first episode - Hero. |
| Ice to see you. (15) | Freeze 50 enemies as Mr. Freeze. |
| Is it a bird? Is it a plane? (10) | Glide for 9 seconds. |
| It's the car, right? (30) | Unlock all Vehicles (Hero/Villain). |
| Justice League. (30) | Unlock all the Hero characters. |
| Kill-a moth. (20) | Defeat Killer Moth. |
| Kiss from a Rose. (15) | Eat 15 enemies with the Venus ride on . |
| League of Assassins. (30) | Unlock all the Villain characters. |
| Make it snappy. (20) | Build the Croc ride on. |
| Memorabilia. (35) | Collect all Memorabilia. |
| Natural Habitat. (10) | Smash all street lights in Episode 1 Chapter 1. |
| Nice Outfit! (20) | Collect all suits. |
| Oh, I got a live one here! (10) | Shock 30 people with Joker's hand buzzer. |
| Say hello to my little friends. (15) | Destroy 20 policemen with penguin bombers. |
| Scare Tactics. (10) | Scare 5 enemies with Scarecrow. |
| Shot to the goon. (20) | Defeat 8 goons in 8 seconds. |
| Sidekick. (15) | Complete a level in co-op. |
| Smash Gordon. (20) | Defeat Commissioner Gordon with Harley Quinn's Hammer. |
| Start of something wonderful. (15) | Shock the Joker with the Joker. |
| Super Builder. (20) | Build 50 LEGO build-its. |
| Super Hero. (25) | Complete the second episode - Hero. |
| Super-villain. (25) | Complete the second episode - Villain. |
| Thanks a million. (30) | Complete Arkham Bonus level. |
| The city is safe... for now. (50) | 100% game completion. |
| The Destroyer of Worlds. (15) | Destroy 12 objects at once with Bat Bombs. |
| The Most Dangerous Man on Earth. (20) | Defeat Joker, Two-Face, Riddler and Catwoman as Batman. |
| The Richest Man in Gotham. (40) | Max out the stud counter. |
| There and back. (10) | Destroy 10 objects in one Batarang throw. |
| Throwing up. (20) | Throw 50 policemen with superstrength. |
| Unbreakable. (30) | Finish a level without dying (Character) with no extras. |
| Vigilante. (25) | Rescue 25 civilians. |
| Villain. (25) | Complete the first episode - Villain. |
| Who needs curiosity? (20) | Defeat Catwoman 9 times. |
