How many people are playing Kaizen: A Factory Story right now?

Kaizen: A Factory Story is app 2275490 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Kaizen: A Factory Story?

732 concurrent players on Jul 2025.

When was Kaizen: A Factory Story released on Steam?

Kaizen: A Factory Story was released on Steam on 14 Jul 2025.

Status

SteamPeaks

Kaizen: A Factory Story

GameApp ID 2,275,490by CoincidenceReleased 14 Jul 2025

Playing now

All-time peak

732

00:04 UTC · 25 Sep 2026steampeaks.com

Update history

A permanent record of every observed change.

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Kaizen: A Factory Story Update History · SteamPeaks

Time (UTC)SourceWhat changedAddedEditedRemovedReference

10 Sep 2026

22:00:02Achievements8 definitions added+8——Schema snapshot

Definitions added · original values preserved

Status	Key	Previous value	New value
Added	MAIN	—	A Factory Story — Finish the main story.
Added	SOLITAIRE_1A	—	Super Defender — Win a game of pachinko solitaire (classic variant).
Added	SOLITAIRE_1B	—	Ultra Defender — Win 10 games of pachinko solitaire (classic variant).
Added	SOLITAIRE_2A	—	Conductor — Win a game of pachinko solitaire (hanemono variant).
Added	SOLITAIRE_2B	—	Stationmaster — Win 10 games of pachinko solitaire (hanemono variant).
Added	SOLITAIRE_3A	—	Golf Pro — Win a game of pachinko solitaire (ippatsu-dai variant).
Added	SOLITAIRE_3B	—	Golf Champion — Win 10 games of pachinko solitaire (ippatsu-dai variant).
Added	TOTAL	—	まんてん！ — Solve every puzzle in the game.

Raw values

17:04:17PICSStore metadata edited+2——#38,768,566

Recorded change · 10 Sep 2026, 17:04:17 UTC

Status	Key	Previous value	New value
Added	Association 2 · namecommon.associations.2.name	—	Coincidence
Added	Association 2 · typecommon.associations.2.type	—	franchise

5 Sep 2026

07:47:23PICSOld-mono manifest changed+225——#38,518,224

Recorded change · 5 Sep 2026, 07:47:23 UTC

Status	Key	Previous value	New value
Branches · 7
Added	Build ID on old-monodepots.branches.old-mono.buildid	—	21265823
Added	Description of old-monodepots.branches.old-mono.description	—	Old version of Mono for macOS 10.15
Added	Build time on old-monodepots.branches.old-mono.timebuildupdated	—	20 Dec 2025, 01:26:59 UTC1766194019
Added	Updated time on old-monodepots.branches.old-mono.timeupdated

20 Jul 2026

02:46:35NewsUPDATE: Fixing a background image———Game update

Game update · published 20 Jul 2026, 02:46:35 UTC

UPDATE: Fixing a background image

Today's update fixes the level select background image for chapter 6 so that the driveway is marked correctly for driving on the left side of the road.

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02:45:03BuildsPublic branch updated · 3 depots—~3—24289492

4 May 2026

17:15:14NewsKaizen: A Factory Story is 50% off! (Also, we made a new game!)———Community

Community · published 4 May 2026, 17:15:14 UTC

Kaizen: A Factory Story is 50% off! (Also, we made a new game!)

For the next week, Kaizen: A Factory Story is 50% off on Steam! Design production lines to create the iconic products of 1980s Japan. Flip, weld, and cut blocks to build products, with classic features like histograms and new features like rewinding and real-time editing. When you need a break, there's even a pachinko-themed solitaire! We're also releasing a new game today, U.V.S. Nirmana ! Set…

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20 Dec 2025

01:29:42BuildsOld-mono branch updated · 3 depots—~3—21265823

Depot 2275491 · old-mono

Previous manifest—

New manifest1615858109796847036

Depot 2275492 · old-mono

Previous manifest—

New manifest2399235440964491676

Depot 2275493 · old-mono

Previous manifest—

New manifest8927782607030980209

Download sizeManifest ID recorded · file listing pending

Raw values

30 Nov 2025

02:03:49NewsThe 2025 Steam Awards———Community

Community · published 30 Nov 2025, 02:03:49 UTC

The 2025 Steam Awards

The Steam Awards 2025 are open for nominations, and with your help, we think Kaizen: A Factory Story could win this year's Best Game You Suck At award. Not that you suck at it. It's more about how bafflement can turn into feeling brilliant in a single moment. How an idea coalesces into a complex machine that miraculously does exactly what you wanted it to do. And then seeing your friend beat yo…

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21 Oct 2025

20:08:22NewsUPDATE: New achievement———20485471

Game update · published 21 Oct 2025, 20:08:22 UTC

UPDATE: New achievement

Today's update adds a new achievement for solving every puzzle in the game.

Describes build 20485471Read on Steam

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22 Sep 2025

21:21:46NewsUPDATE: Variants tutorial fixes———20082655

Game update · published 22 Sep 2025, 21:21:46 UTC

UPDATE: Variants tutorial fixes

Today's update localizes the variants tutorial images and fixes a bug where the variants tutorial was not automatically opened when opening a puzzle using that mechanic.

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17:49:13NewsBonus Puzzle #10: Designer's Notebook———20067717

Major update · published 22 Sep 2025, 17:49:13 UTC

15 Sep 2025

18:38:02NewsBonus Puzzle #9: Toy Cash Register———19988977

In-game event · published 15 Sep 2025, 18:38:02 UTC

Bonus Puzzle #9: Toy Cash Register

Today's update adds a new weekly bonus puzzle, the TOY CASH REGISTER! "Get kids started early on understanding the transactional nature of modern life! This toy cash register includes a light-up display and drawers to enable buying, selling, and giving change. It's all about the Yukichis (Benjamins)!"

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12 Sep 2025

22:09:44NewsUPDATE: Puzzle story portrait fixes———19963867

Game update · published 12 Sep 2025, 22:09:44 UTC

UPDATE: Puzzle story portrait fixes

Today's update fixes some puzzle story portraits in chapter 5 that didn't match the primary art.

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9 Sep 2025

20:38:38NewsUPDATE: Slot car track symmetry fix———19916904

Game update · published 9 Sep 2025, 20:38:38 UTC

UPDATE: Slot car track symmetry fix

Today's update fixes a small bug in the "slot car track" puzzle where the front of the "jump" part was incorrectly tagged as rotationally symmetric. Histograms and leaderboards for the puzzle have been reset.

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8 Sep 2025

18:47:19NewsBonus Puzzle #8: Slot Car Track———19901092

In-game event · published 8 Sep 2025, 18:47:19 UTC

Bonus Puzzle #8: Slot Car Track

Today's update adds a new weekly bonus puzzle, the SLOT CAR TRACK! "Even though it was clear by the late 80s that video game racing would gain popularity over the old hobby of slot cars, someone at Matsuzawa apparently had enough of a soft spot for it to approve the release of this entry level track."

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3 Sep 2025

01:09:52NewsUPDATE: Dollhouse kitchen art fix———19832771

Game update · published 3 Sep 2025, 01:09:52 UTC

UPDATE: Dollhouse kitchen art fix

Today's update fixes the art for the "dollhouse kitchen" bonus puzzle to be less ambiguous.

Describes build 19832771Read on Steam

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1 Sep 2025

20:18:53NewsBonus Puzzle #7: Dollhouse Kitchen———19816385

In-game event · published 1 Sep 2025, 20:18:53 UTC

Bonus Puzzle #7: Dollhouse Kitchen

Today's update adds a new weekly bonus puzzle, the DOLLHOUSE KITCHEN! "This kids' kitchen playset originally included real heating elements along with realistic flame and smoke effects, but those features were nixed before it went into production due to safety concerns. Nevertheless, the product was a hit!" This is one of my favorite puzzles that I've made for the game so far. It's quite challe…

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25 Aug 2025

20:15:42NewsBonus Puzzle #6: Boombox———19729214

In-game event · published 25 Aug 2025, 20:15:42 UTC

Bonus Puzzle #6: Boombox

Today's update adds a new weekly bonus puzzle, the BOOMBOX! "Bring the beats with Matsuzawa's biggest boom box to date! The whopping twelve "D" batteries it requires will definitely set you back some cash, but the volume that enables will guarantee you never lose another boom box battle!"

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20 Aug 2025

21:26:40NewsUPDATE: Cut/copy/paste for instructions———19674893

Game update · published 20 Aug 2025, 21:26:40 UTC

UPDATE: Cut/copy/paste for instructions

Today's update adds keyboard shortcuts to cut (Ctrl+X), copy (Ctrl+C), and paste (Ctrl+V) instructions.

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18 Aug 2025

20:19:09NewsBonus Puzzle #5: Chess Computer———19644151

In-game event · published 18 Aug 2025, 20:19:09 UTC

Bonus Puzzle #5: Chess Computer

Today's update adds a new weekly bonus puzzle, the CHESS COMPUTER! "The Matsuzawa ENDGAME was an entry-level chess computer intended to introduce children and neophytes to the world of chess. But sales faced headwinds because nobody could beat it, even when set to the lowest difficulty."

Describes build 19644151Read on Steam

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15 Aug 2025

23:28:41NewsUPDATE: File format changes———19618696

Game update · published 15 Aug 2025, 23:28:41 UTC

UPDATE: File format changes

Today's update contains some small file format changes to support a future update. Nothing fun, unfortunately.

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14 Aug 2025

22:26:44NewsUPDATE: Bidet seat acceptance bug———19604200

Game update · published 14 Aug 2025, 22:26:44 UTC

UPDATE: Bidet seat acceptance bug

Today's update fixes a minor issue where some solutions for the "bidet seat" puzzle were not accepted.

Describes build 19604200Read on Steam

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12 Aug 2025

18:03:25NewsBonus Puzzle #4: Electric Guitar———19572451

In-game event · published 12 Aug 2025, 18:03:25 UTC

Bonus Puzzle #4: Electric Guitar

Today's update adds a new weekly bonus puzzle, the ELECTRIC GUITAR! "Combining the best of analog and digital into a single instrument, the Matsuzawa Grendel MaxTar included a built-in amplifier and effects unit. Plans to add oscillators and a fully functional step sequencer were shelved, however."

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4 Aug 2025

18:11:11NewsBonus Puzzle #3: Archery Target———19473497

In-game event · published 4 Aug 2025, 18:11:11 UTC

Bonus Puzzle #3: Archery Target

Today's update adds a new weekly bonus puzzle, the ARCHERY TARGET! "After an unsuccessful foray into developing new building materials, the Matsuzawa team realized its wood fiber composite was perfect for use in archery targets and dart boards. Thus, the sporting goods division was born!"

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29 Jul 2025

18:23:56NewsUPDATE: Rather glaring simulation bug fix———19403041

Game update · published 29 Jul 2025, 18:23:56 UTC

UPDATE: Rather glaring simulation bug fix

Today's update fixes a bug where you could move products through tools (?!) under certain circumstances.

Describes build 19403041Read on Steam

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28 Jul 2025

21:32:57NewsBonus Puzzle #2: Synthesizer———19389759

In-game event · published 28 Jul 2025, 21:32:57 UTC

Bonus Puzzle #2: Synthesizer

Today's update adds a new weekly bonus puzzle, the SYNTHESIZER! "The battery-powered Matsuzawa Grendel let keyboard players jam with the music anywhere, anytime. It was praised for its eight realistic built-in voices and four-note polyphony, but some criticized the small number of keys." This update also includes a small improvement to the output comparison tool where remnants will now be highl…

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25 Jul 2025

21:58:12NewsUPDATE: Output comparison tool———19364264

Game update · published 25 Jul 2025, 21:58:12 UTC

UPDATE: Output comparison tool

Today's update adds an experimental "compare" button to the zoomed-in output preview window that, when held, shows all the mistakes in your output product. It hasn't been thoroughly tested, so let us know if you see anything strange!

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00:46:59NewsUPDATE: Bug fixes———19351336

Game update · published 25 Jul 2025, 00:46:59 UTC

UPDATE: Bug fixes

Today's update includes the following changes: · Fixed a bug where errors would sometimes be incorrectly detected when quickly sliding products together. · Fixed a bug where costs could be incorrectly calculated when switching between solutions. · Fixed a regression in drill debris animations caused by the last update.

22 Jul 2025

23:11:57NewsUPDATE: Hotkey previews, improved videos, solitaire tweaks———19321359

Game update · published 22 Jul 2025, 23:11:57 UTC

UPDATE: Hotkey previews, improved videos, solitaire tweaks

Today's update includes the following changes: · Added previews when placing instructions using hotkeys. · Improved the color accuracy of MP4 files exported using ffmpeg. · Tweaked the ippatsu-dai variant of pachi-sol so that it's slightly easier to win. · Adjusted the "spring dress" puzzle so that the lower fabric can be flipped vertically. · Adjusted the "katsu curry" puzzle so that it's more…

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21 Jul 2025

22:23:44NewsBonus Puzzle #1: Super Defender Bot———In-game event

In-game event · published 21 Jul 2025, 22:23:44 UTC

Bonus Puzzle #1: Super Defender Bot

Today's update adds our first weekly bonus puzzle, SUPER DEFENDER BOT! "Taking note of Defender Bot's popularity, Matsuzawa released the Super Defender Bot in 1987. It added shoulder-mounted cannons and button-activated sound effects, testing the patience of parents across the world!" Also included in this update: · Added a hotkey for selecting all the instructions in a solution (Ctrl+Shift+A).…

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19 Jul 2025

01:16:57NewsUPDATE: Lots of bug fixes!———19282097

Game update · published 19 Jul 2025, 01:16:57 UTC

UPDATE: Lots of bug fixes!

Today's update fixes lots of bugs! · Fixed a typo in the first cutscene of chapter 2 ("パーフェイ"). · Fixed some visual bugs where products would sometimes reappear after cutting. · Fixed a visual bug where the debris for flip-cut products would sometimes appear in the wrong place. · Fixed a simulation bug where products being flipped would sometimes incorrectly collide with products in their bound…

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18 Jul 2025

00:36:17NewsUPDATE: Minor bug fixes———19267779

Game update · published 18 Jul 2025, 00:36:17 UTC

UPDATE: Minor bug fixes

Today's update fixes a bug, mostly on Mac, where the output previews were dark green. It also slightly adjusts the arms of the "defender bot" puzzle to make it more obvious when they're incorrectly welded.

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17 Jul 2025

01:08:47NewsUPDATE: Graphics bugs, pachi-sol shuffling———19252957

Game update · published 17 Jul 2025, 01:08:47 UTC

UPDATE: Graphics bugs, pachi-sol shuffling

In the spirit of kaizen, today's update includes the following improvements: · Moved the text-to-speech key from Alt to F1. · Adjusted the pachi-sol shuffle algorithm so that the first card is always usable and subsequent cards are less likely to be exactly the same twice in a row. · Fixed a bug where GPU utilization would jump to 100% when the game was minimized. · Fixed a graphical bug in the…

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16 Jul 2025

01:08:39NewsUPDATE: More small fixes———19237772

Game update · published 16 Jul 2025, 01:08:39 UTC

UPDATE: More small fixes

In the spirit of kaizen, today's update includes the following improvements: · Fixed a bug where the Shift+scroll hotkey did not work correctly on Mac when using an external mouse. · Clarified the rules for the ippatsu-dai variant of pachi-sol. · Made a small adjustment to the card dealing animation for pachi-sol.

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15 Jul 2025

01:35:18NewsUPDATE: Launch day fixes———19223642

Game update · published 15 Jul 2025, 01:35:18 UTC

UPDATE: Launch day fixes

In the spirit of kaizen, today's update includes the following improvements: · Fixed a typo in the "sandwich" puzzle story. · Fixed a bug in the "spring dress" puzzle where the belt buckle would not be accepted when flipped upside down. · Fixed a crash when fully destroying a product.

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