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