How to play
Guess how big things really are. Four rounds a day, two items each.
1
10
100
1,000
10,000
×10
×10
×10
×10
days in a year (365)
- Every notch is 10× the last. Moving one notch right means ten times bigger, so the far end of the scale is enormous.
- Drag each marker to your guess, or fine-tune with − and +. Dashed landmarks help you get your bearings.
- Close counts. Within 2× is great. Every 10× you're off costs points, and 1,000× off scores zero.