Full list of all 40 Scribblenauts Unmasked: A DC Comics Adventure achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Unlock all costumes.
Complete 400 heroic feats.
Complete the final mission.
Spawn 150 different Green Lanterns.
Complete Wonder Woman vs. Cheetah mission.
Complete Aquaman vs. Ocean Master mission
Give Lobo something in his favorite color.
Infect 500 people with undead plague.
Complete Superman vs. General Zod mission.
Complete Flash's origin mission.
Put Beast Boy underwater and see how he transforms.
Complete Flash vs. Zoom mission.
Complete Cyborg vs. Deathstroke mission.
Complete Green Lantern vs. Sinestro mission.
Have Alfred clean a dirty Batmobile.
Complete Robin vs. Harley Quinn mission.
Complete Green Lantern's origin mission.
Complete Aquaman's origin mission.
Get 3000 amount of Justice League reputation.
Complete Batgirl vs Scarecrow mission.
Complete Wonder Woman's origin mission.
Complete Superman vs. Lex Luthor mission.
Complete Superman's origin mission.
Complete Batman's origin mission.
Get 3000 amount of Metropolis reputation.
Complete Batman vs. Ra's Al Ghul mission.
Give Gizmo something to turn into a weapon.
Spawn an alternate version of Martian Manhunter.
Unlock your first costume.
Spawn an alternate version of Cyborg.
Spawn an alternate version of Flash.
Spawn an alternate version of Aquaman.
Spawn an alternate version of Green Lantern.
Spawn an alternate version of Superman.
Spawn an alternate version of Batman.
Get 3000 amount of Gotham reputation
Spawn an alternate version of Wonder Woman.
Spawn something with the Batcomputer.
Create an object in the Hero Creator.
Complete Batman vs Joker mission.