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