Rondoku

Released Oct 2025

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.

96% positive · 26 reviews

Pending

Released · Awaiting evaluation

Pending

Released · Awaiting evaluation

Where to buy

Steam Updated 13 Oct 2026 $7.99

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Media

Details

Developer

Lucas Demo

Publisher

Lucas Demo

Achievements

Platform

Windows, Linux

Controller

full support

Steam Deck

Not rated

Players

Single-player

Puzzle Logic Minimalist Abstract Indie Hand-drawn Relaxing Difficult 2D Atmospheric Casual Strategy

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.