Aqua Forest is the a unique application utilizing "Phyzios Engine"(formerly known as OctaveEngine™ Casual),which is a 2D-based multi-physics engine for casual games. This engine uses a particle-based physics model that has few restrictions. It can calculate almost any type of objects, not only solid materials, but also elastic body, plastic body, fluid, and gas. In the "FREE" mode of the application, you can draw and create various shapes of objects and you can experience the ability of this engine. In the "PUZZLE" mode, with exploiting the touch screen and accelerometer, you will challenge the puzzles designed by "Phyzios Engine that you'd have never seen before. There are 5 categories, and each category has 10 puzzles. Players are able to play any time the latest puzzle that the other users created all over the world.