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