Simple Rules, Deep Logic
Fill circular puzzles with the correct numbers using just three simple rules. Rondoku is a calm and minimalist logic game that invites you to slow down, think carefully, and find satisfaction in clever solutions.

70 Hand-Crafted Challenges
Every puzzle in Rondoku is designed by hand. With 70 unique levels, the game offers a thoughtful difficulty curve and a sense of intention in every diagram.
A Puzzle Book
Inspired by classic puzzle magazines, Rondoku is presented as a book. Flip through its pages freely and enjoy the quiet satisfaction of solving each puzzle, one by one, until the book is complete.
Rondoku is out today! Im happy to share the final version of the game, and Id love to hear your thoughts once youve played it.
[img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/45750886/3c81c1c22fafbd5599a67c7b94605cda4037989c.png\"][/img]
An official hardcover edition of Rondoku is also available. If you prefer to print and play, heres the official PDF with all puzzles, free to download.
Best,
Lucas Demo
Minimum Setup
- OS: Ubuntu 20.04+. SteamOSGraphics: 512MB Video Memory
- Graphics: 512MB Video Memory
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