MegaMan 9 is a video game for PlayStation, WiiWare, and Xbox Live Arcade. The story of the game takes place during the early 21st century and follows the adventures of the titular character Mega Man. In this game, Dr. Light, Mega Man’s creator, is blamed for destructive robot attacks. Meanwhile, Dr. Wily, Mega Man’s arch enemy, claims that he has nothing to do with the attacks. Mega Man suspects otherwise, and goes on a mission to stop the attacks and prove Dr. Light’s innocence while revealing his enemy’s true intentions.
This game makes use of the classic 2D side-scrolling format as well as platforming and action elements. There are eight initial stages that must be completed in any order, and at the end of each stage is a boss called Robot Master. Each boss has a unique weapon. If players are able to defeat the boss, they can copy the weapon used and select it to defeat enemies throughout the remaining stages of the game. Each of the Robot Masters is weak to a specific weapon, giving the players a hint when strategizing which stage to clear first.
Stages are cleared by avoiding traps, jumping, running, and shooting enemies, and battling with the boss at the end. They begin with a basic arm-cannon weapon called a Mega Buster, and go on to collect weapons as bosses are defeated.