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