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