KEEP THIS HANDY
Controls at a glance.
- Guess entry
- Submit a candidate year.
- Clues
- Compare parity, prime factors and digit sum.
- Configuration wheel
- Choose a different numerical range.
Find the hidden year from number clues
Guess a hidden year and compare its mathematical properties with the clues returned by the game. The default range covers years from the 13th century.
How the game works
The creator lists even or odd status, prime factors and the sum of digits among the clues. Each round chooses another random number in the active range.
A practical starting point
Use the cheat sheet when the clues are unfamiliar, and change the range through the configuration wheel if desired. Stars reflect performance in the creator’s description.
What happens to your progress?
A portable save or cross-device synchronization is not established by the reviewed documentation. Check the original game before relying on a later return.
Check the save and backup guide ↗A FEW USEFUL ANSWERS
Before the next click.
Is there help with the math clues?
The creator provides an in-game cheat sheet.
Does this site’s Saved button keep my progress?
Saved keeps a link to this profile on your device. Game progress belongs to the game and its host.
A useful next read.
Read the clue before placing the next number. ↗Follow the source.
Almut Kieffer-Jones. Licence notice. Source and image rights remain with their creators; see notices.
Latest collected source change: Update genres (opens a new tab) . Repository activity does not identify the hosted game version.
All media and source credits ↗


