SimplePhysics is an innovative physics simulation game available on iPhone that allows users to design and test various structures like tree houses and ferris wheels. Utilizing a robust physics engine, players must ensure their designs are not only strong but also cost-effective. The intuitive blueprints editor enables quick creation, and features like the Undo button and zoom functionality enhance the user experience.

In addition to designing, players can test their creations through a unique finger test, applying realistic forces and even triggering explosions for added excitement. The game includes a stress display to highlight weak points in designs, a slow-motion mode to analyze failures, and a variety of levels to explore. With features like saving, loading designs, and sharing blueprints via email, SimplePhysics offers a comprehensive and entertaining engineering challenge.