Saved community observations are available for this site. Latest collection: 2026-11-01 (UTC). This does not confirm the website is still available.
Jointter
A daily word puzzle using dots and lines

About Jointter
Two 7-letter words are hidden in today
Before you try it
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In the maker’s words
Hello everyone. I’m a mathematician by training, and I love mathematical and logical puzzles and brain-teasers. Inspired by popular games like Sudoku and Wordle, I decided to come up with an engaging game of my own. As it turns out, that’s not so easy! I had a few ideas, but beyond the core mechanics, a game also needs to be interesting and easy to explain — after all, nobody (including me) wants to spend a long time reading through rules. Let’s start with the concept, which came to me quite spontaneously: what if we represented letters like the digits on a digital clock — using lines, with dots at the points where those lines intersect? For instance, the letter "E" would consist of four lines and six dots — three at the intersections and three at the ends of the lines. It turns out that every letter of the Latin alphabet can be represented this way (with a minor caveat) using three rows…
Where people found it
- Hacker NewsShow HN: Jointter – A daily word puzzle using dots and lines13 points19 comments11 hours ago
Saved source observations
Latest observations from the last 14 UTC days. Each sample counts the retrieved posts from the collection’s 30-day window; votes and stars use different units. Missing dates or sources are gaps, not zero activity. Samples are not a traffic or growth measurement.
Hacker News
- Activity
- 11 points
- Comments
- 19
- Posts
- 1
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