17-0 Game is a free browser football challenge. Spin random NFL teams and eras, draft all-time players into every slot of your roster, and simulate a full 17-game season to see if your team can finish undefeated. Every run is quick to start and easy to replay, so you can test different quarterback, skill-position, line and defense combinations. When you're done, share your roster and record with friends and challenge them to beat it. No download or sign-up needed - just open the site and start drafting.