Baseball Stars, due to the introduction of a battery backup, allowed players to create a team and season which could be stored, so that statistics were retained between playing sessions. Players were able to create players and teams, even going so far as naming these elements. As well, the game introduced managerial controls, such as the ability to earn money, gain prestige, and upgrade players on the roster. David Littman, a producer on EA's NHL series of games, has said that the popular GM mode in the NHL games was inspired by Baseball Stars, so the influence it has has continued. Gameplay involved taking part in a season, or simply a one-off versus mode. The rules of the game stayed true to baseball, and the realism was seen as being far beyond anything that had come prior to its release.