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