It was released on December 31, 2020 by Huayu World Expo and later acquired by Xue's own label Chaoshi Music.

The lead single, "Extraterrestrial", has a pop rock style and utilizes a string arrangement.

[2] It serves as the inspiration for and bookends the set list of Xue's Extraterrestrial World Tour.

Extraterrestrial was number 2 on Tencent Music's 2020 Year-End Chart, which ranks the albums based on the sum of the five highest-scored songs on each album.

[9] All songs on the album peaked within the top fifteen spots on Tencent Music UNI chart, with the exception of "Pan Jinlian", which peaked at 67.