Extra Bases! is a baseball game for the Nintendo Game Boy. Information on its development and precise publisher is limited, but it likely showcases classic baseball gameplay for the time, possibly featuring simplified batting and pitching mechanics adapted to the Game Boy's controls.  Given the title, the game probably focused on hitting extra-base hits as a key element of its strategy.  The visual presentation would likely be basic, reflective of the console's hardware, and gameplay might involve managing a team through a series of matches.

Extra Bases! (USA)

Elevator Action (Japan)