Editing Petit Planet (section)

==Development and Release==
A teaser video of Petit Planet was released on September 23, 2025<ref>YouTube: [https://www.youtube.com/shorts/u3wPvW0ocPU #PetitPlanet]</ref>. The game was officially revealed alongside the announcement of its first closed beta test on September 25, 2025 <ref>HoYoLAB: [https://www.hoyolab.com/article/41340938 Petit Planet - Cozy Cosmos Trailer | Weave Your Dreams Beneath the Stars]</ref>. The first beta test, titled "Coziness Test", ran from November 7 to December 1, 2025. The second closed beta test, titled "Stardrift Test", was announced on April 2, 2026 and ran from April 21, to May 25, 2026<ref>HoYoLAB: [https://www.hoyolab.com/article/44455578 Petit Planet: Stardrift Test Trailer | Stardrift Test Begins April 21!]</ref>.

On August 25, 2026, a special video was released at the {{w|gamescom}}, announcing that Petit Planet will be released in the winter of that year<ref>YouTube: [https://www.youtube.com/watch?v=RTjd0hhFO74 Petit Planet gamescom 2026 Special Video]</ref>. The next day, the third and last beta test was announced, titled "Final Beta Test", and will start on September 20, 2026<ref>HoYoLAB: [https://www.hoyolab.com/article/46450427 Petit Planet Connection Trailer: Final Beta Test Sign-Ups Now Open | Launching Winter 2026]</ref>.