"SUPER METBOY!" features the main character "METBOY", It is a "casual arcade action" title in which you defeat enemies with his MET BLADE. In addition, the Nintendo Switch™ version supports "cooperative play" and "competitive battle" with up to 4 players! METBOY, METGIRL, METBOMBER, METNINJA, METKNIGHT, METVIKING, METSNIPER, and more. Let's meet the challenge together with unique characters! When you press the action button, METBOY fires a blade at the same time as they jump, and those blades can cause damage to enemies. A wave is clear when you defeat a certain number of enemies. A boss will appear when you clear the specified wave. When you defeat the boss, a "drink vending machine" will appear, with special abilities to find such as "Giant Shot". You can buy drinks with various special effects. In addition, you can use the points you earn as you play to purchase enhanced chips. You can go on an adventure as you equip chips and become stronger.