Mega Man 3 is a platform and action game. The player controls Mega Man as he traverses eight stages to defeat the bosses, Dr. Wily's Robot Masters: Magnet Man, Hard Man, Top Man, Shadow Man, Spark Man, Snake Man, Gemini Man, and Needle Man. Each Robot Master features a unique weapon and stage related the their weapon's power. After defeating a boss, their signature weapon becomes available to the player. The Robot Masters have weaknesses to the weapons of certain other Robot Masters; therefore, choosing the order in which the levels are played is a vital component of the gameplay.