This book will teach you how to develop a game called "Ocean Clean-up", where the player needs to save the sea turtles by cleaning up the ocean. The player needs to use a hook located at the top of the screen to try and clean up as many pieces of garbage out of the ocean as possible without harming a sea turtle as it peacefully swims across the screen. This book covers important game development concepts like keyboard controls, sprite animations and random movement as well as important lessons on ocean conservation and pollution.