Gridiron Football GM

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 dynasty.
How It Simulates Football
Calibrated to real pro football data.

The match engine targets twelve metric slices against real play-by-play statistics. Plays per game, pass rate, completion percentage, yards per carry, sack rate, interception rate, drive outcomes by down and distance, top-tier quarterback completion-over-expected spread. Every band has a published target. Drift is treated as a bug.

Deterministic from seed. Same seed produces byte-identical play traces. Replay a season ten times to study a critical fumble. Share a dynasty with a friend by sharing a seed.

Procedural names and procedural draft classes.

Every league is a fresh universe. Draft classes never get stale. Roster updates are never needed. Generate as many leagues as you want, with as many seasons as you can play.

The structured trace.

Every play emits a readable log. The formation. The coverage. The spatial anchors. Why the AI called what it called. Where each player ended up. Why the play succeeded or failed. A football-literate player should be able to read the trace alone and explain the game.

Who This Is For
Football fans who want a franchise sim where the simulation respects the sport.

People who care about scheme fit, coverage shells, and pre-snap decision-making.

Players who want a multi-decade dynasty where the league still feels alive in year fifteen.

Anyone who values a deterministic, calibrated, one-time-price product without microtransactions or paid roster updates.