Rondoku

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App ID	3791600
App Type	Game
Developer	Lucas Demo
Publisher	Lucas Demo
Supported Systems	Windows Linux
Technologies	GameMaker Engine
Last Changenumber	31866812
Last Record Update	23 October 2025 – 18:59:00 UTC ()
Release Date	23 October 2025 – 18:58:55 UTC ()

❓ 74.19%

8 reviews

In-Game

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.

Additional Information

Developer

Lucas Demo

controller_support

full

community_visible_stats

Yes

ReleaseState

released

Publisher

Lucas Demo

Store Release Date

23 October 2025 – 18:58:58 UTC ()

osarch

empty string

community_hub_visible

Yes

Primary Genre

Strategy (2)

Store Genres

Casual (4), Indie (23), Strategy (2)

Steam Release Date

23 October 2025 – 18:58:55 UTC ()

Store Asset Modification Time

11 September 2025 – 02:09:42 UTC () (1757556582)

library_assets

library_capsule	en,zh-tw,zh-cn,ja,ko
library_hero	en
library_hero_blur	en
library_logo	en,ja,zh-cn,zh-tw,ko
library_header	zh-tw,en,ja,zh-cn
logo_position ↴
pinned_position	UpperCenter
width_pct	33.35273573923166
height_pct	67.85799097601519

osextended

empty string

name_localized

tchinese	環數獨
schinese	环数独
japanese	ロンドク
koreana	론도쿠

Detected Technologies (?)

GameMaker Engine

controllertagwizard

Yes

First seen on SteamDB

2 June 2025 – 02:19:49 UTC (), in changelist #29317121

Supported Languages

12 Languages	Interface	Achievements
English	Yes	Yes
French	Yes	Yes
German	Yes	Yes
Japanese	Yes	Yes
Korean	Yes	Yes
Portuguese - Brazil	Yes	Yes
Russian	Yes	Yes
Simplified Chinese	Yes	Yes
Spanish - Latin America	Yes	Yes
Traditional Chinese	Yes	Yes
Turkish	Yes	Yes
Italian		Yes

Hardware Categories

Full Controller Support

DualShock Controllers (USB Only)

DualShock Controllers

DualSense Controllers (USB Only)

DualSense Controllers

Accessibility Categories

Adjustable Text Size

Color Alternatives

Custom Volume Controls

Playable without Timed Input

Assets

Load all asset images

clienticon

f1b7d4d365b37966f22222fc6e8bf7b667a7d9ae

clienttga

7c2cff60d6945486fd025a6f9d4d8ff3d019d098

icon

84bddf8f5e595bef8f6010c2d744b67fcb12459a

clienticns

0cc45c9fd8107ee2ea95d81c817854400338ac4f

LinuxClientIcon

8cb44c1dda6f09a3b75a84537e7f3871e367d9a2

small_capsule

english	a1df5ed91231d1ca6fcdcd0728382f1b1fbe68a8/capsule_231x87.jpg
japanese	7bb9f0ed94d5ab4b5c48f950ed559b80b71c29c9/capsule_231x87_japanese.jpg
schinese	e88e139b82225c38f7620d8ee1712236d20dfb97/capsule_231x87_schinese.jpg
tchinese	f2db10d059796963589beaeccc273ceb67123ec3/capsule_231x87_tchinese.jpg
koreana	7ae5324d3d7da87d45ad5cb89fd012a4913dcd09/capsule_231x87_koreana.jpg

header_image

english	29f599907dd7f7ab07046d66166ebb699766342c/header.jpg
japanese	c84dcaac3050981cceba43efa5d2afc38bc71cf7/header_japanese.jpg
schinese	678d86cdb046a0c9efa8158c626cb49ea9a8cb91/header_schinese.jpg
tchinese	c0905e4b76a0ee7cada6923026ad261f7ef0acc0/header_tchinese.jpg
koreana	9fd3b77ee519d1abb8e684571c95d08121b6213c/header_koreana.jpg

library_assets_full

library_capsule ↴
image/english	a20392e00f060f60112ae8a278e6df6cb6245f10/library_600x900.jpg
image/tchinese	b9c80be3011dfbb69b6a703b28a9b1d682d4a311/library_600x900_tchinese.jpg
image/schinese	930a65b65c68fc644b17c7ce70d4caa3ec981b82/library_600x900_schinese.jpg
image/japanese	e59375f311fdb7d1d1aad3721b4c5158f8c7f2bf/library_600x900_japanese.jpg
image/koreana	9d3cd537ebed1f87271a1baf914e38be6021566a/library_capsule_koreana.jpg
image2x/english	a20392e00f060f60112ae8a278e6df6cb6245f10/library_600x900_2x.jpg
image2x/tchinese	b9c80be3011dfbb69b6a703b28a9b1d682d4a311/library_600x900_tchinese_2x.jpg
image2x/schinese	930a65b65c68fc644b17c7ce70d4caa3ec981b82/library_600x900_schinese_2x.jpg
image2x/japanese	e59375f311fdb7d1d1aad3721b4c5158f8c7f2bf/library_600x900_japanese_2x.jpg
image2x/koreana	9d3cd537ebed1f87271a1baf914e38be6021566a/library_capsule_koreana_2x.jpg
library_hero ↴
image2x/english	a8dda969b5be3fec8322120ad49e99e20a1b72ba/library_hero_2x.jpg
image/english	a8dda969b5be3fec8322120ad49e99e20a1b72ba/library_hero.jpg
library_hero_blur ↴
image/english	a8dda969b5be3fec8322120ad49e99e20a1b72ba/library_hero_blur.jpg
library_logo ↴
image/english	415646fee3177e9ac7e5664f3b76af98bcbdb87c/logo.png
image/japanese	733eda524c0b489ff0d59f7331171255306f6195/logo_japanese.png
image/schinese	17f78b468d9190c04bf17ea1b77a1994960dff24/logo_schinese.png
image/tchinese	efea5b4150ac2dc5c17eaa15f71bc6c273a57814/logo_tchinese.png
image/koreana	3116b1829c163259c7a58f8e2a915253987f3672/logo_koreana.png
image2x/english	415646fee3177e9ac7e5664f3b76af98bcbdb87c/logo_2x.png
image2x/japanese	733eda524c0b489ff0d59f7331171255306f6195/logo_japanese_2x.png
image2x/schinese	17f78b468d9190c04bf17ea1b77a1994960dff24/logo_schinese_2x.png
image2x/tchinese	efea5b4150ac2dc5c17eaa15f71bc6c273a57814/logo_tchinese_2x.png
image2x/koreana	3116b1829c163259c7a58f8e2a915253987f3672/logo_koreana_2x.png
logo_position/pinned_position	UpperCenter
logo_position/width_pct	33.35273573923166
logo_position/height_pct	67.85799097601519
library_header ↴
image/tchinese	c0905e4b76a0ee7cada6923026ad261f7ef0acc0/library_header_tchinese.jpg
image/english	29f599907dd7f7ab07046d66166ebb699766342c/library_header.jpg
image/japanese	c84dcaac3050981cceba43efa5d2afc38bc71cf7/library_header_japanese.jpg
image/schinese	678d86cdb046a0c9efa8158c626cb49ea9a8cb91/library_header_schinese.jpg
image2x/tchinese	c0905e4b76a0ee7cada6923026ad261f7ef0acc0/library_header_tchinese_2x.jpg
image2x/english	29f599907dd7f7ab07046d66166ebb699766342c/library_header_2x.jpg
image2x/japanese	c84dcaac3050981cceba43efa5d2afc38bc71cf7/library_header_japanese_2x.jpg
image2x/schinese	678d86cdb046a0c9efa8158c626cb49ea9a8cb91/library_header_schinese_2x.jpg

Assets

main_capsule	6e958c71207225121d334a2d710cccc3f8f32ba1/capsule_616x353.jpg
small_capsule	a1df5ed91231d1ca6fcdcd0728382f1b1fbe68a8/capsule_231x87.jpg
header	29f599907dd7f7ab07046d66166ebb699766342c/header.jpg
page_background	ce17fc2bff9ac96d91d7fecae41f71b126913dc3/page_bg_v6.jpg
hero_capsule	d89ea30ec38b57a279f0662e86e029c0579fd9d9/hero_capsule.jpg
hero_capsule_2x	d89ea30ec38b57a279f0662e86e029c0579fd9d9/hero_capsule_2x.jpg
library_capsule	a20392e00f060f60112ae8a278e6df6cb6245f10/library_600x900.jpg
library_capsule_2x	a20392e00f060f60112ae8a278e6df6cb6245f10/library_600x900_2x.jpg
library_hero	a8dda969b5be3fec8322120ad49e99e20a1b72ba/library_hero.jpg
library_hero_2x	a8dda969b5be3fec8322120ad49e99e20a1b72ba/library_hero_2x.jpg
community_icon	84bddf8f5e595bef8f6010c2d744b67fcb12459a.jpg
page_background_path	app/3791600
raw_page_background	ce17fc2bff9ac96d91d7fecae41f71b126913dc3/page_bg_raw.jpg
timestamp	23 October 2025 – 18:58:56 UTC

Trailer 922725 ↴

trailer_name	Trailer
trailer_category	3
trailer_480p ↴
video/webm	257161464/movie480_vp9.webm
video/mp4	257161464/movie480.mp4
trailer_max ↴
video/webm	257161464/movie_max_vp9.webm
video/mp4	257161464/movie_max.mp4
microtrailer ↴
video/webm	3791600/474126764/2ce1782ee5fea9dca4aa350197eeb24239e3f105/1750877713/microtrailer.webm
video/mp4	3791600/474126764/2ce1782ee5fea9dca4aa350197eeb24239e3f105/1750877713/microtrailer.mp4
adaptive_trailers ↴
dash_av1	3791600/474126764/2ce1782ee5fea9dca4aa350197eeb24239e3f105/1750877713/dash_av1.mpd
dash_h264	3791600/474126764/2ce1782ee5fea9dca4aa350197eeb24239e3f105/1750877713/dash_h264.mpd
hls_h264	3791600/474126764/2ce1782ee5fea9dca4aa350197eeb24239e3f105/1750877713/hls_264_master.m3u8
screenshot_medium	257161464/822acf7c9fe1519f4c7de43243196a8f0d458f8f/movie_600x337.jpg
screenshot_full	257161464/822acf7c9fe1519f4c7de43243196a8f0d458f8f/movie_full.jpg
all_ages	true
is_highlight	true
timestamp	22 August 2025 – 19:10:21 UTC

Depots

ID	Configuration	Size	DL.
3791602	Linux	25.43 MiB	25.31 MiB
3791601	Windows	28.27 MiB	20.50 MiB

Total size on disk is 53.69 MiB and total download size is 45.81 MiB.

Total size on disk is 28.27 MiB and total download size is 20.50 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name	Description	Build ID	Time Updated
public		20468630	20 October 2025 – 18:57:28 UTC

Rondoku

Additional Information

Supported Languages

Tags

Categories

Hardware Categories

Accessibility Categories

Assets

Trailer 922725 ↴

Depots

Branches