A number puzzle game where players fill missing digits from 1-8 into octagons. It supports solo play, local multiplayer, and competitive online matches. The interface is designed for easy handling and viewing.





247+ iOS apps & games curated and reviewed
Out of 247+ octagon brain teaser game on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (1) | No | No | May 2026 | ||
| 2 | Free | — | No | No | Oct 2026 | ||
| 3 | Free | 4.8★ (5) | No | Yes | Oct 2026 | ||
| 4 | Free | 4.6★ (204K) | Yes | Yes | Oct 2026 | ||
| 5 | Free | 4.5★ (2) | Yes | Yes | Oct 2026 | ||
| 6 | Free | 4.4★ (107K) | Yes | Yes | Oct 2026 | ||
| 7 | Free | 4.3★ (66K) | Yes | Yes | Oct 2026 | ||
| 8 | Free | 4.6★ (43K) | Yes | Yes | Oct 2026 |





A number puzzle game where players fill missing digits from 1-8 into octagons. It supports solo play, local multiplayer, and competitive online matches. The interface is designed for easy handling and viewing.












This game challenges you to estimate answers to complex questions without looking them up. It trains your reasoning skills by breaking down problems and making educated guesses. Compete on daily leaderboards and track your progress.