20-0 Glossary: Every Term Explained

Quick reference for every term the game itself uses, in plain English.

Draft terms

Round / Slot — One of the nine draft picks, each locked to a specific position: QB, RB, WR1, WR2, TE, OL, DL, LB, DB.

Spin — The random era draw that opens each round and determines which decade’s candidates you’re choosing from.

Archetype — A player’s style label (like “Gunslinger” or “Shutdown Corner”), shown in both Classic and Blind Draft modes, that hints at their general strengths without necessarily showing the numbers.

Reroll — A do-over on a round’s spun era and candidate pool. You get three total across the entire draft, not per round.

Classic mode — The default draft mode; every candidate shows full numeric ratings.

Blind Draft mode — A draft mode that hides all numeric ratings, showing only name, position, and archetype. See our full explainer.

Ratings and chemistry terms

Overall — A single 0–99 summary rating for a player, shown in Classic mode.

Chemistry — A score (and a list of named bonus/penalty effects) computed from how your nine specific picks interact with each other and with your simulation era — not just each player’s individual rating.

eraFit — A rating measuring how well your roster’s average player era matches the era the simulation actually calculated from your spins. A large mismatch triggers the “Poor Era Fit” penalty.

Trenches — A combined rating representing offensive-line and defensive-line play, factored directly into game simulation and playoff seeding bonuses.

Named effects — Specific chemistry bonuses (like “Dominant Trenches” or “Elite Passing Attack”) and penalties (like “Leaky Protection” or “One-Dimensional Offense”) that explain, in plain language, exactly why your roster performed the way it did.

Season and playoff terms

Regular season — The first phase of simulation, with an era-accurate length: 14 games for 1960s/1970s rosters, 16 for 1978–2020-flavored rosters, 17 for 2021-onward rosters.

Flawless — A zero-loss regular season. Doesn’t require making or winning the playoffs.

Playoff seed — Your 1-through-7 rank among the simulated league’s playoff teams, based on regular-season win percentage. The #1 seed gets a bye through the first round; every other seed plays a full bracket. See our playoff format explainer.

Perfect run — The full 20-0: a flawless regular season, a playoff qualification, and a championship with zero playoff losses along the way. The complete version of what “20-0” describes.

Grade — A letter from S (flawless regular season) down to F, based on your final regular-season win percentage.

Sharing and multiplayer terms

Run seed — A short, shareable code (like 200-K3M9QZ) that reproduces the exact same draft options for anyone who enters it, letting two players compare a genuine head-to-head.

Daily Challenge — A special run where everyone playing on the same UTC day gets an identical seed, making leaderboard comparisons fair. See our full explainer.

Leaderboard — A public, no-account-required ranking of that day’s Daily Challenge regular-season results, expiring after 3 days.