Kaizen: A Factory Story
Playing now
12−5 vs. yesterday
1.6%of peak
All-time peak
732Jul 2025
Playing now
12−5 vs. yesterday
All-time peak
732Jul 2025
| Published | Title | Build |
|---|---|---|
| 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. | 24289492 | |
| UPDATE: New achievement Today's update adds a new achievement for solving every puzzle in the game. | 20485471 | |
| 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. | 20082655 | |
| Bonus Puzzle #10: Designer's Notebookmajor Today's update adds our final weekly bonus puzzle, the DESIGNER'S NOTEBOOK, which is actually not a puzzle but a collection of TWELVE new puzzles based on existing puzzles. What? During development, I had originally imagined that about 1/3 of the puzzles in the game would be variant puzzles , which required the player to conditionally build one of two different products, in the spirit of the ju… | 20067717 | |
| UPDATE: Puzzle story portrait fixes Today's update fixes some puzzle story portraits in chapter 5 that didn't match the primary art. | 19963867 | |
| 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. | 19916904 | |
| UPDATE: Dollhouse kitchen art fix Today's update fixes the art for the "dollhouse kitchen" bonus puzzle to be less ambiguous. | 19832771 | |
| UPDATE: Cut/copy/paste for instructions Today's update adds keyboard shortcuts to cut (Ctrl+X), copy (Ctrl+C), and paste (Ctrl+V) instructions. | 19674893 | |
| UPDATE: File format changes Today's update contains some small file format changes to support a future update. Nothing fun, unfortunately. | 19618696 | |
| UPDATE: Bidet seat acceptance bug Today's update fixes a minor issue where some solutions for the "bidet seat" puzzle were not accepted. | 19604200 | |
| UPDATE: Rather glaring simulation bug fix Today's update fixes a bug where you could move products through tools (?!) under certain circumstances. | 19403041 | |
| 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! | 19364264 | |
| 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. | 19351336 | |
| 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… | 19321359 | |
| 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… | 19282097 | |
| 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. | 19267779 | |
| 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… | 19252957 | |
| 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. | 19237772 | |
| 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. | 19223642 |
| Date | Day | Time | Patch title | Build ID | Branch | Depots | Download Δ |
|---|---|---|---|---|---|---|---|
| 20 Jul 2026 | Mon | 02:45 | UPDATE: Fixing a background image | 24289492 | public | 3 | — |
| 20 Dec 2025 | Sat | 01:29 | No patch notes · unannounced build | 21265823 | old-mono | 3 | — |