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