The objective of Isoball is to roll a ball into a hole. Create a track by placing blocks that will allow the ball to roll into the hole. Use the Mouse to select and place blocks on the gridspace, use the eraser button to erase placed pieces, reset wipes the space clean, click start to set the ball rolling, get perfect scores to unlock bonus levels. There are 20 levels to solve and the tutorial for IsoBall is build-in into the game.