The home of perfect-season team builder games
17-0 Challenge is a free browser game built around one question: can you draft an NFL roster so good it never loses? Draft a 9-man roster of football legends from random teams and eras and chase a perfect 17-0 regular season — the undefeated run only the 1972 Dolphins ever pulled off. If you love the perfect-season format, there are sibling games for other sports on their own sites: 82-0 (NBA), 38-0 (Premier League) and 7-0 (World Cup).
A slot machine assigns you a random team and era, you draft real players with their overall ratings, and a simulation engine — slot weighting with the quarterback heaviest, a non-linear win curve, and roster gates — projects whether your team could go undefeated across a 17-game season. No downloads, no accounts, free to play, available in eight languages (English, 中文, 日本語, 한국어, Español, Français, Deutsch, Português).
17-0 Challenge is an independent project built and maintained by a small indie team. It is not affiliated with, endorsed by, or sponsored by the NBA, the NFL, the Premier League, or any club, league, or players' association. Player names and historical statistics are publicly available facts used for informational and entertainment purposes only. No official logos, trademarks, or photographs are used.
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