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Your challenge is to draw a line. A single line. How complex can that be?

Start with one tile and trace a line to the next, then the next. Each tile you pass over flips from black to white, or back again. Using only a single line, can you flip all the black tiles?

Unium features over 100 puzzles and even more solutions. Solve puzzles to unlock harder ones, and solve them in different ways to earn achievements. Unium is an elegant puzzle game that can entertain for a minute or an hour.

Now available on both Android and iOS:

https://play.google.com/store/apps/details?id=kittehface.unium
https://itunes.apple.com/us/app/unium/id956662216

Check out our Steam Greenlight page:

http://steamcommunity.com/sharedfiles/filedetails/?id=376332401