NFL GameDay 99 is a sports video game belonging to the football genre, specifically developed for the Sony PlayStation 1. Released in 1998, it is part of the NFL GameDay series and features realistic 3D graphics for its time, along with authentic NFL team rosters and stadiums from the 1998-1999 season. Players can engage in exhibition, season, or playoff modes, as well as a general manager mode to manage a team. With play-by-play commentary and a variety of classic football plays to choose from, gamers can experience the thrill of professional football with an immersive in-game atmosphere.