You are Dr. Shimura's greatest invention and you're also the protector of the city of Chaos. The evil Dr. Garbasco has returned and set his robots loose on the city. Defend it at any cost! Use your arrows to move, your Z key to shoot and your X key to shoot your secondary weapon. Pick up extra lives, health, ammunition and fire power, among other power ups. When you're ready to defend the city against wave after wave of evil robots, you'll have a delightful time playing Kid Chaos!