Ruleline
Draw your own mosaics. One rule: alternate color and shape.
Ruleline is a free mosaic puzzle game for Android. Connect neighboring symbols, alternating color then shape, and trace silhouettes nobody chose for you. 2,000 levels, optional hints, and no ads, purchases or account.
Why Ruleline
One rule, endless shapes
Every link alternates: match color, then shape, then color. The rule is strict; the silhouette is yours.
No answer key
There is no target outline. Any legal trace counts, and Ruleline names its shape family, such as Beam, Hook, Wave or Orbit, and scores its turns and reach.
A board that answers back
Each mosaic clears, the pieces fall, and new ones fill the 7 × 9 board, so every move changes the puzzle.
2,000 levels
A journey of 100 stages that adds longer paths, turns, loops and a fourth discovery, one new demand at a time.
Hints only when you ask
The yellow bulb glows one possible route. It never appears on its own, and it is never the only answer.
Calm, private and offline
No ads, purchases, account or network connection. Progress stays on your phone, with color assist and reduced motion built in.