Martian Panic Alien Blaster is a unique accessory designed to play with the Switch Marian Panic game but can be used with any Switch Motion Detection game.Aim the Joy-Con while in the Blaster to calibrate.Then Blast away.The Blaster has both light and sound to play as a toy as well as being an accessory to play your Switch games. The player does not need the batteries, light and sound to use as the Switch accessoryBatteries are not included.The Martian Panic game is 1 to 4 players. All four players can each play with their own Blaster