What's my JND? colour guessing game
Ranked 2 of 3 guessing games by recommenders
A free browser game where you lock in colour matches, praised as fun, meditative and addictive, with the slider version preferred. Some slider rounds seem impossible.
A free browser game where you lock in colour matches, praised as fun, meditative and addictive, with the slider version preferred. Some slider rounds seem impossible.
11 people gave an opinion
- recommend it
- 11
- criticize it
- 0
- approval share
- 100%
Recommended in 1 of 13 months
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 11 people recommend itNeeds 10 or more, met.
- Nobody criticizes itNeeds 2 to 1 or better, met.
- Recommended in 1 of 13 monthsNeeds 4 or more, not met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Fun, addictive, meditative gameplay
“Was fun and kind of meditative locking in like that”
Comment from 20 Mar 2026 in “Too Much Color” “Very addictive, kudos to the dev”
Comment from 10 Mar 2026 in “What's my JND? – a colour guessing game”
What people warn about
Each mark is one comment
Some slider rounds seem impossible
“one or two impossible seeming ones in the slider”
Comment from 11 Mar 2026 in “What's my JND? – a colour guessing game”
Other guessing games people recommend
The two most recommended other guessing games, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| Wonderhop | 23 | 14 | 62% | 1 | — | — |
| What's my JND? colour guessing gameThis page | 11 | 0 | 100% | 1 | — | — |
| TNG Episode Guessing Game | 6 | 3 | 67% | 2 | — | — |
What people said
5 of the 11 comments that mention it, newest first. Each links to the original comment.
“Was fun and kind of meditative locking in like that”
“one or two impossible seeming ones in the slider”
“Your site is awesome and I love it!”
“I prefer your sliding mechanic better for this kind of game.”
“Very addictive, kudos to the dev”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.