A baseball game by Sunsoft released on the Family Computer in 1991. Nantettatte!! Baseball is a baseball game with the innovative feature of being able to update team rosters without needing to buy a brand new full price game. This is done by inserting a mini-cartridge that updates the roster into the main game.

A baseball game by Sunsoft released on the Family Computer in 1991. Nantettatte!! Baseball is a baseball game with the innovative feature of being able to update team rosters without needing to buy a brand new full price game. This is done by inserting a mini-cartridge that updates the roster into the main game.