YesNoMystery
New This MonthFree browser game for lateral-thinking yes-no mysteries
About YesNoMystery
YesNoMystery is a free browser tool for classic lateral-thinking and situation puzzles. You choose a mystery, ask only yes/no questions, and an AI hosts the round with clear answers and soft hints. Library of 1000+ curated puzzles; works solo or in a group; no install.
Specifications
Everything we hold on this listing.
- Category
- Research
- Pricing
- Free
- Platforms
- Web
- Website
- lateralthinkingpuzzles.org
- Added
- Sep 16, 2026
- Source
- user
How YesNoMystery compares
The closest tools in the directory, matched on shared capability rather than category alone.
| Tool | Pricing | API | Open source |
|---|---|---|---|
| YesNoMystery | Free | Not stated | Not stated |
| Andrew Ng’s Machine Learning at Stanford University | Paid | Not stated | Not stated |
| ASReview | Paid | Not stated | Yes |
| Exam Samurai | Paid | Not stated | Not stated |
| Geoffrey Hinton’s Neural Networks For Machine Learning | Paid | Not stated | Not stated |
Frequently asked
What is YesNoMystery used for?
YesNoMystery is a free browser tool for classic lateral-thinking and situation puzzles. You choose a mystery, ask only yes/no questions, and an AI hosts the round with clear answers and soft hints. Library of 1000+ curated puzzles; works solo or in a group; no install.
Is YesNoMystery free?
YesNoMystery is Free. Completely free, no credit card required.
What platforms does YesNoMystery run on?
YesNoMystery runs on Web. Whether it offers a public API isn't stated, check the vendor's docs before planning an integration.
What are the best alternatives to YesNoMystery?
The closest alternatives are Andrew Ng’s Machine Learning at Stanford University, ASReview, Exam Samurai, Geoffrey Hinton’s Neural Networks For Machine Learning, all research tools that overlap with YesNoMystery on education. See the full list at brofindai.com/alternatives/yesnomystery-061b2b.