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