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