Learn the rules behind every game — then prove it.
YieldYearn Sports turns official rulebooks into clear explanations and a fast, fair quiz. No fluff, no login, no fake leaderboard — just the rules, explained well.
Pick a Sport
Jump straight into a category quiz, or start with Mixed to cover everything.
How It Works
A quiz designed to teach, not just test.
1. Choose Your Setup
Pick a sport (or all of them), a difficulty, and a length — 10, 20, or 30 questions.
2. Answer & Learn
Every answer comes with an explanation, the official source, and a link to the full article if you want to go deeper.
3. Review Your Results
See your score overall and by category, revisit every question, and share your result if you want to.
Latest Articles
Plain-English explanations of rules, formats, and terminology.
How Downs Work in American Football
A clear walkthrough of the down-and-distance system that drives every American football possession.
American FootballHow Scoring Works in American Football
Touchdowns, field goals, safeties, and extra points explained in plain language.
American FootballCommon American Football Penalties Explained
What holding, pass interference, and other frequent flags actually mean.
BasketballBasketball Positions and Player Roles
The five traditional positions on the court and how modern lineups use them.
BasketballCommon Basketball Fouls and Violations
The difference between a foul and a violation, and the most common calls in a game.
BasketballHow the Shot Clock and Game Clock Work
Why basketball uses two clocks at once, and what happens when either one runs out.