Mosaic is a roguelike in which your movements change the map, laying down colourful mosaic tiles wherever you go. If you trace an outline then it fills in the whole area with tiles, destroying any enemies within. It’s rather pretty!

Some notable features of the game:

 * 4-way movement is the only input
 * Chained sequences of moves can trigger special moves
 * 1HP system, but actually not easy to die unless you're very sloppy
 * Map altering as you play
 * Procedural music generated based on the map layout and tile positions
 * Enemies all have individual movement patterns, with some being more threatening than others

There are in-game instructions by hovering over the '?' in the corner and reading the Spoiler Help in the Escape menu.

Here's a video showing some gameplay: http://www.youtube.com/watch?v=PIcCF6vNq6s

Game's website: http://gamesofgrey.com/blog