As the game's world expanded to include the Inazuma region, other music composers such as Yuan Dimeng joined the creative process.

[11] By the time of the Fontaine region, HOYO-MiX had established a comprehensive creative system and completed music production in the absence of Chen Yupeng's involvement.

[j][15] In 2017, HOYO-MiX collaborated with Japanese pianist and singer Mika Kobayashi to release singles such as Girl Inside and Honkai World Diva.

Within half a month of their release, these singles entered the NetEase Cloud Music charts, with the remixed version of the theme song "Honkai World Diva" also making it to the top 10.

[16] Since 2017, HOYO-MiX has collaborated with various singers, including Mika Kobayashi,[17] Chalili,[18] Shang Wenjie,[19] Tanya Chua,[20] Hanser,[18] Sa Dingding,[21] Tia Ray,[22] Hu Xia,[23] Weep Clouds (雲の泣),[24] Zhou Shen,[25] TetraCalyx,[18] Huang Xiaoyun,[26] Ayanga,[27] Huang Ling,[28] Yusuf,[29] Paolo Andrea Di Pietro,[30] Lea Sirk,[31] Anthony Lynch,[32] Jonathan Steingard,[33] Cécilia Cara,[34] Yang Yang,[35] Tan Weiwei,[36] Liu Huan,[37] Jason Zhang,[38] Jake Miller,[38] Kosei Nishiyama,[38] and Jooyoung.

[44] On October 5, 2021, HOYO-MiX hosted the Honkai Impact 3rd "Starfire Sonorant" commemorative performance, featuring singers such as Chalili, Shang Wenjie, Tanya Chua, Tia Ray, Mika Kobayashi, Hanser, TetraCalyx, and more.

[51] On July 29, 2023, HOYO-MiX organized the Honkai Impact 3rd online concert "Forest Capriccio," utilizing virtual production (VP) and extended reality (XR) technologies.

Guest performers included Mika Kobayashi, Hanser, Huang Ling, Sa Dingding, Axis Neptune, Chongqing Grand Theatre Philharmonic Children's Choir, and more.

[52] In late 2023 to early 2024, HOYO-MiX organized the Genshin Impact global symphony concert tour "GENSHIN CONCERT TOUR 'Melodies of an Endless Journey,'" performing in various cities including Shanghai, Beijing, Tianjin, Chongqing, Changsha, Wuhan,[53] Singapore, Kuala Lumpur, Guadalajara, Boston, Los Angeles, Chicago, New York, Osaka, Yokohama, Seoul, London, and Düsseldorf.

[60] Italian singer and actor Paolo Andrea Di Pietro performed "Rhapsodia Roscida" and "Polumnia Omnia" at the shows in Osaka, Yokohama and Seoul.

The purpose of the soundtrack's production is to enhance the narrative experience, making the gameplay more immersive, "like doing music design for an animated film.

"Making the music and the storyline complement each other, and accompany Trailblazers with just enough presence to witness this adventure into the stars, is our top priority in composition.

'"[67] Additionally, to avoid auditory fatigue for players, the rhythm of most outdoor exploration music is very soothing and peaceful, and the duration is relatively short.

[70] Songs e.g. "Liyue", "Contemplation in Snow", and "Rapid as Wildfires" from Genshin Impact were included in the music library of the 2022 Beijing Winter Olympics.

[67] IGN reviews praise that in Genshin Impact, "the sights and sounds of this world are still a joy to behold, with breathtaking vistas around every corner and a memorable soundtrack to back them up.

[72] A Gaming Bolt reviewer finds the excellent orchestral works and electronic music tracks in Honkai: Star Rail captivating.

[171] Francesco Corica from Spazio Games praises the quality of the soundtrack in Honkai: Star Rail, noting that the music for each plot segment leaves a lasting impression.

[172] Eurogamer's reviewer Jessica Orr applauds the music of Honkai: Star Rail for creating an immersive atmosphere, providing pleasant piano melodies, gentle chants, and lively electronic beats that correspond to different in-game scenes.

[73] Marco Wutz from GLHF on Sports Illustrated states that the environmental music and battle tracks of Honkai: Star Rail have been lingering in their mind, making it unforgettable.