Estimate dot counts, multiplication results and elapsed seconds. Play solo or with up to twelve people and compare scores after each round.
Get a brief look at a group of dots or a multiplication. Other rounds ask you to judge how many seconds have passed.
Everyone gets the same task and submits a private guess in turn. The answer and scores appear only when everyone has answered. An exact answer earns 100 points. Larger errors relative to the correct value earn fewer points, down to zero.
No. The tasks use quantities, mental arithmetic and your sense of time. There are no trivia questions.
Yes, just enter your own name. A group can pass one device around, or use an online lobby.