Once upon a time, little Wolfgang was a perfect square who lived happily with his family and friends in the quiet village of Squareland. One day, the evil paddle lord Ludwig of Rectangleville came to plunder the village for precious materials for his ball manufacturing business. Ludwig wanted a perfectly bouncing ball, and only the heart of a perfect square possessed such quality. Four-years-old at the time, Wolfgang watched helplessly as Ludwig's minions took the lives of his parents and plucked out his heart...

...but he survived. His hollowed body clinged on to life, fueled by his burning desire to become whole once more.

Twenty years later, after countless hours of training and meditation, Wolfgang is finally ready to take his vengeance. The path to Ludwig's palace is full of threacherous obstacles. Are you brave enough to help Wolfgang defeat the evil paddle lord and reclaim his lost heart?