Harmony

Harmony is a digital strategy board game in which you outmaneuver your opponent to make a pattern of four pieces in alternating states without letting them use your pieces against you. The pattern alternates either the pieces’ faces—sun, moon, sun, moon—or their colors—dark, light, dark, light. It must form a vertical line or appear on one of the board’s three outer rings.

Form a pattern

On an outer ring, the four pieces can form either an arc of adjacent pieces or a four-corners arrangement with the pieces 90 degrees apart.

Move the pieces

Each turn, you can make two moves using your color or one move using your opponent’s color. A move can place, move or flip a piece. Pieces can move any number of spaces in a single direction, but cannot pass through another piece. Pieces cannot be removed from the board.