Rondoku

Rondoku

Lucas Demo · 2025 · Puzzle, Logic, Minimalist, Abstract, Indie

PC
Positive100% · 21
Best price
$7.99
lowest tracked $5.99
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Standard Edition · Steam
$7.99
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About Rondoku

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.

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Recommended Jan 1, 2026
This has quickly become one of my favourite puzzles games in a while. It’s not one that I will likely spend lots of time on replaying, but I don’t doubt I will keep returning to it over time. I have a few gripes, particularly on one level, but to succinctly summaries my thoughts below: this is an easy recommend from me. What I really have to commend the game on is how just adding a seemingly simple twist to standard Sudoku introduces some really elegant and emergent logic. There are countless variations of Sudoku, but this remains the most interesting I’ve played or seen. It adds a surprisingly decent amount of complexity to the usual logic you’d use for Sudoku, out of what is arguably a pretty simple premise: change the shape of the board that you are using. Each board/puzzle is a series of circles; each circle has a centre and ring that must then contain one of each numbers 1-9 as usual. The game also introduces another simple rule on top of this: two consecutive numbers cannot be placed next to each other. For what seems like a fairly novel twist and minor rule addendum, you end up discovering some really interesting bits of logic through the game when it comes to the plac…
2 found this helpful
Recommended Feb 16, 2026
The best variant of Sudoku I've ever played. Plus, the mandalas are geometrically gorgeous
1 found this helpful
Recommended Dec 29, 2025
A very interesting twist on the Sudoku formula, highly recommended. Unfortunately, the last puzzle is a massive difficulty spike that really soured my experience, and now the spectre of near-completion hangs over the game for me.
1 found this helpful
Recommended Feb 8, 2026
It’s sudoku with a simple but effective twist. I don’t have much else to say. Definitely more fun to look at than sudoku.
Recommended Jan 4, 2026
[url=https://store.steampowered.com/curator/43083373/]Clever games curator review: 6/10[/url] A novel variant on Sudoku that I think would be far more fun to play with pencil and paper than using a computer. The reason is that when solving a moderately complex puzzle you need to logic through all the implications of your choices. Making notes about what possible numbers can go in which cell is a very useful way to do that. Plus the spatial nature of this variant, with overlapping cells and constraints, strongly encourages sketching out possible solutions. The game has no way to do this and I was frequently left feeling that I would actually be happier if I just took a screenshot and tried to solve it using MS Paint. I don't know if it would be possible to modify the game to make it significantly more usable than MS Paint would be. But I feel like there hasn’t been much of an effort to do better than the bare minimum, which is allowing you to put numbers in the cells, or not. To be honest it’s possible that the game does offer some ways to freeform annotate the puzzles, but the interface is quite inscrutable with symbols that don’t make clear sense, buttons that don't seem to do an…
Recommended Dec 30, 2025
Fun Sudokulike game. The linux version didn't work, but windows+compatibility did.

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