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