🎃Halloween toys and a witch have arrived!🎃Halloween is almost here, so we have added the following toys and features. Jack-o'-Lantern Flying Witch Bell that calls the witch The Jack-o'-Lantern, the Flying Witch, and the…
The Halloween Pack Is Now Available!Thank you for waiting, everyone. The Halloween Pack is now available. You can welcome four new cats in costume, so please be sure to check them out! In October, we hope to add a…
Update for September 28, 2026The following adjustments have been made Made the News section display easier to understand Made the UI for launching Steam from Sill Cats easier to understand Slightly adjusted…
Our Sister App Sill Dogs Is Out Now!To all cat lovers: We're happy to announce that our sister app, Sill Dogs, has been released. Cats are adorable in their carefree way, but a dog's loyalty is pretty wonderful…
Update for September 7, 2026The following adjustments have been made Fixed an issue where the cats would disappear right after startup on some systems Fixed an issue where the cats would sometimes not…
We asked the cats to be a little more activeIn this update, we let the cats know the following. • Cats that do not act very actively should be a little more active • Cats that hardly sleep should sleep a little more As a…
We've released a bundle with Eye On The World!Today we released a bundle with Eye On The World, an exploration game where you find cats in a diorama made of voxels. Be sure to explore its finely crafted voxel world and look…
Update for September 1, 2026The following adjustments have been made Adjusted some wording in the settings screen The cats were hardly sleeping at all, so we asked them to sleep a little more Sometimes you…
You can now change the settings window designWith this update, you can now change the design of the settings window. Until now there was only one dark design, but you can now also choose bright and cute designs, so please…
The toy mouse has been added!We are working on a new toy. We told you that a while ago, and now the toy mouse is here. You can use it from the free Toy Pack DLC. Double-click the toy mouse and it starts…
Update for August 23, 2026Improved the app's stability when it cannot connect to Steam. Adjusted in-app announcements so they do not appear too frequently. Fixed an issue where, on some systems, a small…
Update for August 19, 2026The following adjustments and fixes have been made. Fixed an issue where it took a long time to close the app when quitting it Adjusted the logic by which News published after an…
The bundle with Weyrdlets 2.0 is now available!Cat lovers, we're pleased to announce that a bundle pairing the popular desktop pet app Weyrdlets 2.0: Desktop Pets with Sill Cats - Cat Pack 3 and Sill Cats - Summer Splash…
You can now look back on the time you've spent with your catsWe've added a “📖Record” page to the settings screen. The record of the time you've spent with your cats since 18 June 2026 can now be viewed in the settings screen. Time spent…
Sill Friends - Complete Bundle is now availableThank you for playing Sill Cats. Today we released a bundle set that lets you buy every app and DLC in the Sill series together at a set discount. You can get all the DLC for…
Update for August 14, 2026The following adjustments and fixes have been made. Added “Sunflower in a Vase” to the free Basic Toy Pack. You can show it from “Toys” in the Settings screen. It sometimes sways…
Update for August 11, 2026We have made the following adjustments and fixes. • Fixed an issue where, when using multiple monitors, a cat vanished in the middle of the screen on exit and it took a long time…
Today, August 8, is World Cat Day! Claim your special item and achievement!To all cat lovers, today, August 8, is World Cat Day! To mark it, we are giving a special achievement and a special item to everyone who plays Sill Cats today. You can earn the…
Update for August 8, 2026Added News inside the app. When there is a new announcement, a balloon floats above the signboard. Clicking the balloon opens the News section in the settings window. When there…
A bundle with Tiny Pasture is now available!To all cat lovers: we would like to announce that a bundle of the popular desktop mascot app Tiny Pasture and Sill Cats - Cat Pack 3 has now started. Tiny Pasture is an idle…
July 27, 2026 UpdateAdjusted Sill Cats so that Windows notifications are displayed correctly when needed at startup. Renamed some achievements to make them easier to understand. Fixed other minor…
Now Supporting International Cat Day on August 8!We have released the following update. Support for International Cat Day on August 8 Added 9 new achievements, including ones related to International Cat Day We have also fixed…
August 8 is World Cat Day! We're giving you a special achievement and a cat toyTo all cat lovers, thank you as always for playing Sill Cats. To celebrate World Cat Day on August 8, Sill Cats will present the following modest gifts to everyone who launches…
Update for July 26, 2026We have made the following adjustments. • Stabilized DLC ownership detection • Strengthened the mechanism for saving your settings • Stabilized Steam Cloud synchronization •…
