Rainboku
Harley Nelson Games iPhoneiPadiPod touch
Rainboku is a free Games app for iPhone and iPad by Harley Nelson. Rated 5.0/5 from 5 ratings. Requires iOS 15.6. Updated June 25, 2026.
- Rating
- 5.0
- 5 ratings
- Price
- Free
- on the App Store
- Size
- 59 MB
- Age 12+
- Updated
- Jun 25
- 2026 · v1.0.61
Screenshots
About Rainboku
Sudoku in color - Each puzzle is a work of art. It’s the same brain boosting logic you love, transformed into a calm, beautiful, and deeply satisfying experience. NEW: Play With Friends! Challenge your friends in real-time multiplayer battles. Race to finish the board, compete for the high score, or work together to solve harder puzzles. Learn, Don't Just Solve. Stuck? Don't just ask for an answer. Our new smart hint system teaches you why a move is correct. Learn advanced techniques naturally and watch your logic skills flourish. Pure Zen, No Distractions. Whether you have 5 minutes for a coffee break or an hour to burn, find your zen with a clean, beautiful interface designed to calm your mind while sharpening your brain. FEATURES: • Logic, Not Math: No numbers required. Just pure color deduction. • Real-Time Multiplayer: Host private rooms and race your friends or work together. • Daily Challenges: A fresh puzzle every day that puts everyone on the same playing field. • Smart Teaching: An interactive guide that helps you master the game, from beginner to expert. • Stats & Streaks: Track your best times, build your calendar streak, and climb the global leaderboards. • Offline Play: No internet? No problem. Rainboku is ready whenever you are. • Customize Your Vibe: Unlock curated color palettes and themes to match your mood. A little logic. A lot of color. Pure calm.
Ratings & reviews
5.0
5 ratings
What’s new
Version 1.0.61 · Updated June 25, 2026
Thanks for playing Rainboku, hope you dig it! • Multiplayer • Long press for paint mode • Updated sounds • Bug fixes
Play today's Queens puzzle
One queen in every row, column and color. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.
App privacy
The developer, Harley Nelson, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Identifiers: User ID
- Diagnostics: Crash Data, Performance Data
Used for: Analytics, App Functionality
Alternatives to Rainboku
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Rainboku | 5.0 / 5 (5 ratings) | Free | June 25, 2026 | |
| Finds Words | – | Free | Aug 4, 2026 | Compare |
| 100% Sweet Candy match 3 | 4.5 / 5 (2) | Free | May 4, 2024 | Compare |
| Animal City Rampage | – | Free | Jun 2, 2024 | Compare |
| Gradient Color Puzzle | 1.0 / 5 (1) | Free | Jul 2, 2024 | Compare |
| Tomb Sweeper: Puzzle Challenge | 4.0 / 5 (4) | Free | May 17, 2026 | Compare |
| Tap Unlock 3D : Away Puzzle | – | Free | Nov 4, 2025 | Compare |
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