Guides
History, strategy, and the real math behind going 20-0 — regular season and playoffs.
compare 17-0 vs. 20-0: What's the Actual Difference? 17-0.team and 20-0.online are sibling sites from the same team with genuinely different games. Here's exactly how the draft, roster, and season structure differ. how-to 20-0 Daily Challenge and Leaderboard, Explained How the Daily Challenge's shared seed works, what gets submitted to the leaderboard, and how long entries stick around. strategy 20-0 Draft Strategy: A Position-by-Position Value Guide Which of the nine draft rounds matters most for a real playoff run, and what to prioritize at each position when you're building for a full 20-0 season. explainer Blind Draft Mode Explained How 20-0's Blind Draft mode works — stats hidden, archetypes only — and why it's a genuinely different test than Classic mode. strategy Which Era Should You Draft In? A Guide to 20-0's Seven Decades From the ground-and-pound 1960s to the pass-heavy 2020s — what each era's modifiers actually reward, and how to pick a consistent one across all nine rounds. history Every NFL Team That Almost Went Undefeated From the 1934 Bears to the 2015 Panthers — every NFL team that got within one loss of a perfect season, and exactly where the run ended. history Has Any NFL Team Ever Gone 20-0? No team has ever finished a season 20-0 under the modern 17-game, 3-round-playoff format. Here's the real history of the closest anyone has come. compare 20-0 vs. play20-0: How the Two Games Actually Differ A factual comparison of 20-0.online and play20-0.com — draft mechanics, real vs. fictional players, modes, and what each game actually gets right. how-to How to Play 20-0: A Full Rules Walkthrough Every step of the 20-0 game explained — spinning for an era, drafting nine positions, the regular season sim, and the real single-elimination playoff bracket. glossary 20-0 Glossary: Every Term Explained Plain-English definitions for every term used in 20-0 — chemistry effects, eraFit, playoff seeding, grades, and more. explainer How the NFL Playoff Format Actually Works (And Why It's the Whole Point of 20-0) Seven seeds per conference, one bye, and single-elimination from there — the real NFL playoff structure explained, and why it's the reason a perfect season is 20 games, not 17. explainer What Are the Real Odds of Going 20-0? The actual math behind a perfect NFL season under the modern format — 17 regular-season wins plus 3 playoff wins — and why it's rarer than most 'undefeated season' games let on.