, Shanghai The game was revealed in October 2021 at the end of the
Honkai Impact 3rd online concert, Starfire Sonorant, then later on the game's official
YouTube channel. On October 27, the game launched its first closed test and its second closed beta test on May 25, 2022. On August 15 of the same year, the game received support from the "Special Fund for Cultural Development" issued by the Culture and Tourism Bureau of
Xuhui District, Shanghai, where the developer is located. On August 23, 2022, a game story trailer was unveiled on the opening night of
Gamescom 2022. On January 17, 2023, the mobile version of the game received the game version number approved by the National Press and Publication Administration, and the game was approved for distribution in mainland China. On February 10, 2023, the game conducted its third closed test. On the same day, the Apple App Store page revealed that the official launch date of the game was April 26. In the international market,
miHoYo launched more than 2,000 sets of ads on Google Play one month before the public beta of the game. The main advertising channel was Google
AdMob and the main advertising areas were Japan, Hong Kong, the United States, Vietnam, and Thailand. On March 24, 2023, versions for
PlayStation 5 and
PlayStation 4 were announced. The PlayStation 5 version would release on October 11, 2023, but the PlayStation 4 version has since been indefinitely delayed. On April 25, 2023, miHoYo released the game's opening theme animation "Star Travel". The game was officially launched globally the following day on April 26. On April 28,
miHoYo held its first theme exhibition "Galaxy Gathering" in
Xujiahui. From April 29 to May 13, miHoYo undertook train advertisements on Xiamen Rail Transit Line 1 and jointly issued
NFTs to promote the game. In mid-May, HoYoverse began to put up ads for the game in Japan, which are prominently displayed in
Akihabara in Tokyo, as well as collaborating with
Chichibu Railway in
Saitama Prefecture to launch a special steam train service, which ran for a month. On July 13, miHoYo launched a high-speed train which ran from Shanghai to
Wenzhou to promote the game. In late 2023, the game collaborated internationally with a number of restaurant and cafe franchises, offering game merchandise and specialized meals. In Europe, the game collaborated with
Domino's and Miss Millie’s in the UK from October 14th to November 14th. In other countries of Asia, except for mainland China, there were collaborations in Japan, Indonesia, Malaysia, the Philippines, Singapore, Thailand, and Vietnam. In Japan, the game collaborated with
Wendy's First Kitchen from October 11th to November 8th. From October 11th to November 14th, the collaboration in Indonesia with Convivium, La Juiceria Superfoods in Malaysia, Mann Hann in the Philippines, Kith in Singapore, Kogoro Katsu & Chicken Club in Thailand, and Piko Coffee in Vietnam. For Taiwan, Hong Kong, and Macau, there were collaborations with Cheogajip from October 18th to November 18th, and with
KFC from November 9th to November 22nd in Hong Kong. In America, the game collaborated with Pelicana from December 1st to December 31st. For specifically mainland China, there were countless collaborations with cafes, restaurants, drink shops, and many more. In July 2025, HoYoverse announced a collaboration with the Japanese anime television series
Fate/stay night: Unlimited Blade Works, in which the characters
Saber and Archer would be added to the game as long-term banners. In October 2025,
Crunchyroll,
Sony's anime streaming service, announced a global collaboration between it and
HoYoverse for an exclusive
Honkai: Star Rail collab, starting on November 6, to coincide with the game's Version 3.7 update. As part of the collaboration, the
HoYoFair program's
Honkai: Star Rail "Chimerric Park" event premiered exclusively on Crunchyroll, making it the first time that the HoYoFair program did an event outside of YouTube. On February 26, 2026,
Epic Games announced a collaboration with
Honkai: Star Rail for an exclusive tie-in collab with
Fortnite, in which the characters Kafka and Blade would be added to the game. ==Reception==