free Tris is the digital version of the famous paper and pencil game Tris or Fila tre.

The game is played by drawing a square grid of 3 × 3 boxes.

In turn, the players choose an empty cell and draw their symbol on it (usually a player has an "X" as a symbol and the opponent a circle). The player who manages to arrange three of his symbols in a straight horizontal, vertical or diagonal line wins