A fictional football universe, simulated end to end.
Build a franchise, set the depth chart and live with every fourth-quarter decision. No real teams, no real players — just a complete pro football management sandbox.
The league
32 clubs · one championJRS1 is a fictional football world, Perfect Team Football, led by the 32-club Perfect League in two conferences with a 17-game regular season. Five more leagues join in 2027, with clubs moving up and down between them. Games kick off at home-city local time on Sunday afternoons and Monday and Thursday evenings.
Simulation engine
every snap accounted forEach game is simulated from a deterministic seed. The engine builds an offensive and defensive context from the depth chart, coordinator styles, playbooks and player ratings, then produces drives, plays, quarter scores, team stats, player stats and injuries.
Pro-style playbook
Personnel groupings, run/pass tendencies, situational football, red-zone and two-minute plans. Offensive coordinator styles shift the call sheet without changing the playbook.
4-3 base defense
Cover 2, man and pressure calls with defensive coordinator tendencies. Pass rush, coverage and run defense ratings drive the result of every snap.
The game center exposes the full drive chart and play-by-play, including down, distance, field position, clock, scoring plays, turnovers and injuries.
Front office
build the 53Roster & cap
Drag players between Active, Injured reserve and the Practice squad. Every contract counts against the cap. Sign free agents, release veterans and manage the depth chart.
Draft
Seven rounds, 224 picks and 320 fictional prospects. Worst record drafts first. Drafted players receive a four-year rookie contract and join the active roster.
Coaching carousel
Create a coach account and apply for an open franchise. The league office reviews every application before handing over the keys.
Records & leaders
Standings, team and player stats, league leaders, single-game records and season benchmarks update as games are simulated.
Built for the browser
Light and dark
The interface ships with a light and dark theme. The toggle lives in the top navigation and your choice is stored locally.
Alpha build
JRS1 is a fictional simulation project. Team names, players, colleges and results are invented. No affiliation with the NFL, NCAA or any real club.
This is the alpha build: the core league, simulation, roster, free agency and draft flows are live. Postseason and multi-season progression are next on the roadmap.
