Deduction, not guessing
Each island contains the numbers 1 to k. Equal numbers may not touch, even diagonally.
Daily number puzzle
Cifrino
Number islands. Pure logic. Every day.
Cifrino is a calm deduction game: fill each island with exactly the right numbers, use notes, and solve daily boards without ads or subscriptions.
- Ads
- none
- Purchase
- one-time
- Mode
- daily
- No ads
- No subscription
- Notes & hints
- Archive in Complete
What matters
Number islands. Pure logic. Every day.
Cifrino is a calm deduction game: fill each island with exactly the right numbers, use notes, and solve daily boards without ads or subscriptions.
Note mode
Keep candidates visible while you work through the next logical step.
Daily boards
Short thinking breaks with clear difficulty, streaks, times and progress.
Complete as one purchase
Archive, Sunday boards, monthly finales and Extreme level without a subscription.
Screenshots
Real views from the app.
The screenshots are taken from the current app.
Fair by design
Clear, calm, no dark patterns.
Cifrino is local-first, ad-free and playable without a required account. The Complete version adds puzzle depth while staying a one-time purchase.
- No ad tracking
- No user-generated content
- Calm hints
- Support and privacy remain available
Questions
Quick answers.
Do I need an account?
No. Cifrino starts without sign-in.
What does Complete unlock?
Complete opens the archive, special boards and the Extreme level as a one-time purchase.
Are there ads?
No. Cifrino shows no ads and creates no advertising profiles.