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.
Unlock all costumes.
Spawn 150 different Green Lanterns.
Complete 400 heroic feats.
Put Beast Boy underwater and see how he transforms.
Infect 500 people with undead plague.
Give Lobo something in his favorite color.
Have Alfred clean a dirty Batmobile.
Spawn an alternate version of Martian Manhunter.
Spawn an alternate version of Cyborg.
Give Gizmo something to turn into a weapon.
Spawn an alternate version of Green Lantern.
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.
Spawn an alternate version of Flash.
Spawn an alternate version of Wonder Woman.
Spawn an alternate version of Superman.
Complete Robin vs. Harley Quinn mission.
Get 3000 amount of Gotham reputation
Complete Batman vs. Ra's Al Ghul mission.
Complete Batgirl vs Scarecrow mission.
Complete Wonder Woman vs. Cheetah mission.
Complete Aquaman vs. Ocean Master mission
Complete Flash vs. Zoom mission.
Complete Superman vs. General Zod mission.
Unlock your first costume.
Get 3000 amount of Justice League reputation.
Complete Green Lantern vs. Sinestro mission.
Spawn an alternate version of Aquaman.
Spawn an alternate version of Batman.
Complete Cyborg vs. Deathstroke mission.
Get 3000 amount of Metropolis reputation.
Create an object in the Hero Creator.
Complete Superman vs. Lex Luthor mission.
Spawn something with the Batcomputer.
Complete Batman vs Joker mission.