Lifestyle & Other

Puzzle Lair

Last updated 2026-07-09 · benchmark measured 2026-08-09 — deterministic & reproducible

Free online logic puzzles updated daily, including Sudoku, Nonograms, and Kakuro.

Is Puzzle Lair production-ready?

Legit.Show scores Puzzle Lair 87 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Puzzle Lair (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 93/100
• Accessibility — 96/100
• Security — 80/100
• Privacy — 45/100
• Reliability — 100/100
• Standards — 92/100
• Discoverability — 100/100

What we measured

• Security headers present: HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
• No Content-Security-Policy.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 1307 ms to first byte.
• Returns a proper 404 for unknown routes.
• 3 of 3 sampled routes reachable.
• Has a reachable privacy policy.
• Sets cookies / loads scripts with no consent prompt.

Who it's for

Logic puzzle enthusiasts · Casual gamers · Daily puzzle solvers · Brain workout seekers · All ages

Pricing

Free to play; one-time purchase unlock per puzzle type for full catalog access

Visit Puzzle Lair → · Alternatives to Puzzle Lair → · How this was measured →