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