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