HoYoverse’s free-to-play life simulation game Petit Planet is set to launch on PC, iOS, and Android on December 4, 2026. A Nintendo Switch 2 version is planned for 2027, though no specific date has been announced for that release.
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Release date and platforms
The December launch covers PC and mobile. On PC, Petit Planet is listed for the Epic Games Store and a standalone client; mobile versions are planned for the App Store and Google Play. Pre-downloads are scheduled to begin December 1.
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HoYoverse revealed the Switch 2 version during its November 1 pre-launch program. The announced window is 2027, with no exact day or month specified.
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19 Reporting says the Switch 2 version will support cross-platform play with PC and mobile players.
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How the life sim works
Players take on the role of Planet Tenders and travel through the Starsea aboard Oumuamua. On their own planet, they plant a Luca Seed, which grows into a Luca Arbor and shapes the planet’s landscape, seasons, and ecosystem over time.
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The game also sends players beyond their home planet to explore scattered islets. At the Galactic Bazaar, players can take part in games and auctions and share creations, according to details reported from the pre-launch announcement.
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Pre-launch events
HoYoverse has promoted a “Launch a Planet” event inviting players to design planets on the game’s official website.
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29 The company is also listed as attending G-STAR 2026, though the available announcement does not specify further event details.
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The clearest confirmed takeaways are the December 4 PC and mobile launch, the 2027 Switch 2 plan, and a planet-building loop centered on the Luca Arbor. Switch 2 players will have to wait for a more precise release date.