Starting the game...
The game will begin once both players are ready. Press the "Ready" button next to you player box to mark yourself as ready.
Moving your character...
You can move your character using the arrow keys. You can only move one step each turn and you cannot move through walls. Your aim is to reach the opposing players side before he reaches yours.
Placing a wall...
To place a wall use the WASD keys. You can place a wall anywhere you want but you cannot completely block the opposing players path. You can also rotate your wall using the R key.