Idle Kitties Online

Idle Kitties Online launched on July 18, 2024 as a free-to-play multiplayer collectible cat game. Its core design is built around a continuously rotating system of cat collections — the store description explicitly promises "new collections every month," and the developer has delivered on this consistently since launch. The game has received a steady stream of major content updates: new cat collections were added in September 2024, November 2025, July 2025, February 2026, and most recently on July 17, 2026 — the two-year anniversary post, which is the most recent developer communication. That post also announced it was only "Part 1" of the anniversary update, with a second part explicitly promised in the near future, confirming more content is actively in the pipeline. Older collections are periodically rotated into a "rare pool" and replaced with new ones, establishing a clear and ongoing rotation cycle. The developer also runs limited-time anniversary events and regularly adjusts drop rates and game systems. In the July 2025 post, the developer stated they were still working on a "major rework of the game," and the February 2026 post teased an upcoming big update with a preview image. The game operates as a free-to-play service with paid cat boxes and a Supporter Pack (released September 9, 2024), consistent with an indefinitely ongoing collectible game model. There is no indication development will end — the developer is actively communicating and shipping new content as recently as July 17, 2026.