Gridiron Football GM is a deep American football management simulation. Run the front office of a pro football franchise. Build a dynasty across decades. Make every roster decision, every cap call, every trade, every draft pick. Then call every play before the snap. You are not the quarterback. You are the front office. The GM Loop Every season is a full cycle. Hire coordinators and position coaches. Scout a procedurally generated college class. Run a seven-round draft against AI general managers who play the cap, the depth chart, and the trade market with the same competence you do. Build your roster through free agency with salary-cap math that constrains the AI as much as it constrains you. Restructure contracts. Hit the franchise tag. Manage dead money. Negotiate restricted free agency. Play the compensatory pick game. Trade with opposing GMs whose AI evaluates every asset by team-specific positional value, surplus and need. Find the deals where both sides come out ahead. Watch the AI counter-offer when you lowball. Then play the season. Every offensive and defensive snap lets you call audibles in a pre-snap menu. You watch the play unfold as a structured trace. Every decision, every spatial outcome, every result. Read it like a box score. Win games. Win the playoffs. Win the championship. Watch a young quarterback you drafted in year one develop into the franchise centerpiece across a decade, then retire into the Hall of Fame. Do it again. The league lives without you. So does your