basewar

Cyber Stadium Series—Base Wars is a baseball video game for the Nintendo Entertainment System (NES).
Developed by Konami for the NES, and published by Ultra Games, Cyber Stadium Series—Base Wars was released in May or June 1991 in the United States; the game did not receive a European release. A baseball video game for one or two players, the ROM cartridge features the ability to save games, whether playing either an individual game or the ten-game pennant race.