News2 Sep 2026We'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 for the cats hiding here and there.
With 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 find the one you like best. The designs available now are as follows. · Midnight (the design you have had until now) · Night Cats · Kitten Cafe · Paw Prints · Origami · Cat Komon · Neon · Retro Game · Daylight
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 running. When you want to catch your cat's attention, try setting it running nearby. Sometimes your cat will ignore it, but that is what cats are like, so please forgive them. We have also made the following adjustments. ·…
Improved 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 window could briefly appear when quitting the app.
The 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 update is reflected on the cat signboard. · Fixed an issue where, under “Toys” in the Settings screen, the summer toys could stop being shown and not come back · Reorganized part of the display of the Settings scre…
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 Pack is now available. Weyrdlets 2.0 : Desktop Pets lets you keep an adorable pet right on your PC desktop and play with it. Be sure to check it out as well! With this bundle you can buy Weyrdlets 2.0 : Desktop Pets, Sill…
We'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 with your cats, tendencies by time of day, the cat you've been with the longest, a ranking of “time spent together” for each cat (top 20), jumps and distance walked, how many times they responded to your clicks, how many…
Thank 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 Sill Cats and all the DLC for our sister app Sill Sticks for 20% less than buying them individually. Please take this opportunity to check it out.
The 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 in the breeze · Reorganized the menu in the Settings screen · Made it possible to show the cat signboard again from the system tray menu while it is hidden · Fixed an issue where some text was displayed in Japanese e…
We 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 to quit • Fixed an issue where quitting while a cat was playing with the soccer ball made the cat vanish without saying goodbye • Fixed an issue where the soccer ball sometimes could not cross the boundary between moni…
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 same achievement by launching the app on August 8 next year as well. We plan to change the special item every year, so this year's World Cat Day special item can only be obtained this year. Be sure not to miss out on them!
Added 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 are no unread announcements, links to the 3 most recent announcements are shown. The following adjustments and fixes were also made. • Changed the in-app popups so that the Windows alert sound no longer plays • Set the…
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 desktop app in which you can raise all kinds of cute little animals near the bottom of your PC screen. We are sure that everyone who enjoys Sill Cats will like Tiny Pasture too, so please do take a look. With the bundle, yo…
Adjusted 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 bugs.
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 minor bugs and malfunctions.
To 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 Sill Cats on that day. • A special achievement A special achievement will be unlocked as proof that you launched Sill Cats on August 8. This achievement is not limited to 2026; you can also unlock it next year and beyond…
We have made the following adjustments. • Stabilized DLC ownership detection • Strengthened the mechanism for saving your settings • Stabilized Steam Cloud synchronization • Other minor bug fixes
Dear cat lovers, thank you so much for your patience. We've released Cat Pack 3, letting you welcome new cats to your desktop. This pack lets you add four types of cats: the Calico, the Scottish Fold, the Black Cat, and the Munchkin. We've also fine-tuned the cats' movements a little. They now show a slightly wider variety of behaviors than before, so we hope you enjoy that too.
Our sister app, Sill Sticks, is out today. In Sill Sticks, a lazy little stick figure named Bota comes to live on your desktop. We hope you will give it a try as well.
My cat won't climb up high! We received many messages telling us this, so this time we have implemented a cat tower to make it easier for cats to climb to high places. The cat tower is available from the free Toy Pack DLC. You can place up to two cat towers on the screen, and they can be stacked vertically. This makes it easier for cats to climb even higher. However, whether or not a cat will c…
Dear cat lovers, thank you for your patience! The Halloween Pack, which adds four cats in Halloween costumes, now has a release date: October 9, 2026! There's still a little wait until October, so please add it to your wishlist and stay tuned. Cat Pack 3 is also releasing soon. It welcomes four new cats as well, so we hope you'll check it out too.
We've added flag toys themed after the following 26 countries to the National Flag Set DLC. Angola Armenia Azerbaijan Bahrain Belarus Bolivia Chile Estonia Georgia Guatemala Ireland Kazakhstan Kuwait Kyrgyzstan Latvia Lebanon Lithuania Moldova Mozambique Oman Peru Suriname Tajikistan Turkmenistan United Arab Emirates Venezuela These flags are "cat toys" themed after the designs of existing nati…
This update adds a feature that rotates your cats automatically. Open the settings menu from the cat sign or the system tray icon, and you can turn it ON/OFF on the cat breed selection page. This update also includes the following adjustments. · Adjusted cats' personalities to be better reflected in their behavior · Added a check for whether Steam is running when re-checking DLC · Improved stab…
Thank you for all the love you give to the cats of Sill Cats! We're happy to let you know that the release date for our sister app, Sill Sticks, has been confirmed. Sill Sticks will be released on Monday, July 20, 2026 at 8:00 AM JST (Japan time). In Sill Sticks, you can enjoy the laid-back daily life of Bota, a lazy little stickman, right on your screen. While you work, watch videos, or play g…
To our users in the Northern Hemisphere: summer is on its way, and we hope you and your cats are doing well. We’re happy to announce that the "Summer Decoration Pack" is now available as DLC. You can place all sorts of summer-themed cat toys and decorations on your screen. It’s available at a 10% launch discount, so be sure to check it out. Take care of yourself through the hot summer and enjoy…
Dear cat lovers, Thanks to all of you, Sill Cats has now reached two months since its release on May 12. Far more people than we ever imagined have downloaded it and left all kinds of comments, and we are truly grateful. These two months flew by and we ended up missing the one-month milestone, but we are happy to announce that a "2-Month Anniversary Sale" will begin on July 12. The following tw…
Fixed an issue where a stray cat's personality would be unnaturally reset after a restart or similar.
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Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.