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