SUGAKU - Prime Number Maze
Step on primes to the goal
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Judge each number — prime or not — and find your path. A fresh math puzzle that's simple to learn, hard to master. Build a daily brain training habit.
A maze filled with numbers. Your only path: the prime numbers.
The rules are simple. But can you spot the primes?
■ How to Play
Navigate a grid of numbers from start to goal, stepping only on prime numbers. Hit a composite and it's a miss. Find the shortest route and beat the clock for the best rank.
■ 5 Difficulty Levels
• 5×5 (2–49) — Start here
• 7×7 (2–79) — Sharpen your prime sense
• 10×10 (2–99) — Two-digit challenge
• 15×15 (2–149) — Three-digit primes appear
• 20×20 (2–299) — The ultimate maze
■ Daily Maze
One puzzle a day, the same for everyone. Keep your streak alive.
■ Maze Packs
• Twin Primes — Chase (p, p+2) prime pairs
• Mersenne Numbers — Spot the 2ⁿ-1 traps
• Giant Primes — Face three-digit prime judgment
■ Boss Battles
Every 5 levels, a boss appears. Use your collected primes as weapons — factorize composites to defeat them. Speed judgment battles too.
■ Online Leaderboards
Register a nickname and compete with players worldwide across four leaderboards: by maze size, overall total, run score, and daily maze. Participation is optional and only active after you opt in. Sign in with Apple or Google to carry your scores across devices.
■ Depth & Replayability
• S to D rank scoring
• 32 achievement badges
• 117-prime collection encyclopedia
• Online leaderboards (by size, total, run score, daily)
• Stats & personal best tracking
Sharpen your math instincts while having fun.
Perfect for commutes, study breaks, or anyone who loves numbers.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
We have made improvements to the user interface.
The developer, Fuji Bit Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Fuji Bit Inc.
- Size
- 17.2 MB
- Category
- Puzzle
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Giant Primes Pack $0.99
- Mersenne Primes Pack $0.99
- 5 Hints $0.99
- Unlock Difficulties $1.99
- Twin Primes Pack $0.99
- Remove Ads $1.99
- Copyright
- © 2026 Fuji Bit