Skip to content

Rondoku

Downloadable Content

About this game

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.

Achievements

View all 12
Zen

Zen

1.8%

Complete the Book

50

50

38.8%

Complete 50 puzzles

30

30

50.7%

Complete 30 puzzles

Completed

Completed

60.3%

Complete the Regular Book

20

20

63.7%

Complete 20 puzzles

Rondoku

Fill elegant diagrams with the correct numbers using three simple rules. Rondoku invites you to think, take your time, and enjoy beautifully hand-crafted challenges.

Developer

Lucas Demo

Publisher

Lucas Demo

Release Date

23 October, 2025

Platforms