PetitWho publishes these pages
About this site
petitplanet.pro is an independent guide to Petit Planet. The game is developed by miHoYo and published by HoYoverse, also listed as COGNOSPHERE on the App Store.
The game
Public write-ups place development at miHoYo and publishing at HoYoverse. The App Store seller line reads COGNOSPHERE PTE. LTD. The game was announced in September 2025 and the global date is 4 December 2026.
Official local names are 星布谷地, プチプラネット, and 쁘띠플래닛. Japanese cast notes name Hinaki Yano for Yunguo, Shinnosuke Tokudome for Isaki, and Ayaka Fukuhara for Harpeno.
This website
The site is edited in English with language doors for readers who search the local names. Facts carry a check date. Corrections go to [email protected].
Questions people ask
Is this the official site?
No. The official site is planet.hoyoverse.com. This domain answers search questions and links back.
Who do I email about a mistake?
Keep going
Sources
- Petit Planet official home — checked 2026-10-31
- Official Japanese home — checked 2026-10-31
- Official Korean home — checked 2026-10-31
- Official simplified Chinese home — checked 2026-10-31
- App Store listing — checked 2026-10-31
- Wikipedia: Petit Planet — checked 2026-10-31
- Petit Planet Wiki — checked 2026-10-31
- Petit Planet Wiki: Yunguo cast notes — checked 2026-10-31
- Petit Planet Wiki: Isaki cast notes — checked 2026-10-31
- Petit Planet Wiki: Harpeno cast notes — checked 2026-10-31
Limitation: public beta information and store listings may change before release.