Step into the official's shoes, watch the play, make the call, and rotate through soccer, basketball, baseball, hockey, football and volleyball.
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How to play
Each play shows a quick diagram and a situation across one of six sports. Choose the correct ruling, offside, a travel, a strike, and so on, then, where it applies, pick the smartest next play. A round runs through several plays for a combined accuracy and timing score.
Read the diagram and situation, then pick the correct call
Some plays add a follow-up strategy question
Each correct call and smart tactic adds to your score
Daily is a shared rotation; Practice randomises the plays
Controls
Desktop: click an option or press number keys 1-4
Phone & tablet: tap an option
Tips & strategy
Each sport has its own rulebook, switch your thinking as the sport rotates
Read the rationale after every call to sharpen the next one
Faster correct answers help your time bonus, so don't overthink the easy calls
What you'll learn
Whistle is a multi-sport officiating quiz about the rules and on-field decisions.
