Complete levels 1 through 4 and defeat The Joker

Complete levels 5 through 10 and defeat Mr. Freeze

Complete levels 11 through 16 and defeat Poison Ivy

Complete levels 17 through 21 and finish the game

Defeat The Joker in level 4 without taking damage

Defeat Mr. Freeze in level 10 without taking damage

Defeat Poison Ivy in level 16 without taking damage

Defeat Harley Quinn in level 19 without taking damage

Defeat The Joker in level 20 without taking damage

Complete level 6 as Robin without taking damage

Complete level 7 as Robin without taking damage

Find the secret password on your first attempt in level 7 using the Batcrawler and without taking damage

Complete level 14 as Robin without taking damage

Find the secret password on your first attempt in level 14 using the Batcrawler and without taking damage

Complete level 3 with at least 20 seconds remaining

Complete level 8 with at least 15 seconds remaining

Complete level 11 with at least 15 seconds remaining

Complete level 5 without taking damage

Complete level 13 without taking damage

Blow up The Joker's blimp without taking damage

Complete levels 1 through 5 in Advanced Mode

Complete levels 6 through 10 in Advanced Mode

Complete levels 11 through 16 in Advanced Mode

Reach the maximum capacity of 9 Batarangs

Complete level 3 with at least 30 seconds remaining in Advanced Mode

Complete level 2 without punching or kicking in Story Mode

Complete level 3 without firing your electric charge in Story Mode

Complete level 5 without activating your shield in Story Mode