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