Opus received generally positive reviews from music critics. At
Metacritic, which assigns a normalised rating out of 100 to reviews from mainstream critics, the album has an average score of 72 based on 5 reviews, indicating "generally favorable reviews". The magazine's writer Dan Weiss said: "It's the ultimate musical stealthbrag. It’s also the best traditional EDM record you've ever heard, not least because it holds up for
two fucking hours but it's also a hell of a simulated rave for your airbuds, a window to the boundless paradise of desk-chair dancing and not caring how stupid your co-workers think you look." ==Track listing==