Tecmo Super Bowl III is a sports game that follows the story of professional American football in the NFL. The game takes place over multiple seasons, with updated rosters and teams for each one. Players can join forces to compete against rival teams, all while navigating the challenges of real-life football players' careers.
The gameplay in Tecmo Super Bowl III is focused on realistic simulations of American football matches. Players can control their team's strategy by changing defensive and offensive formations, fake punts and field goals, go for the two-point conversion, and call audibles. The game also features a range of other options, such as creating your own Pro Bowl, superstar mode, free agency system, improved graphics, larger field simulation, passing modes, and improved speech and music.