You move the Oil Barrel using the ASWD keys and the Flower sack using the arrow keys.
Move around the board trying to cover a much as possible with oil stains or flowers respectively.
As the Oil Barrel you have to reach the oil tower to get more oil and as the Flower sack you have to move to the Wheelbarrow to get more flowerseeds.
Change gamespeed using 1 (slowest) to 5 (fastest), 3 being default speed.
When finished, restart the game by pressing ENTER.
Easy ! Except that your opponent has the same goal.