However, he believed it to be disappointing as a follow-up to Very, criticising how many of the tracks "endlessly repeat one stuttering phrase", and also considered the interspersed samples of Absolutely Fabulous characters Edina Monsoon and Patsy Stone to be "very poor".

Nonetheless, he deemed it more like a Pet Shop Boys edition of the Journeys by DJ mixtape series, and believed that Rampling had lost the drama and humour of the original tracks, as well as "the songs, which PSB remixes never normally fully abandon".

[16] A reviewer for Accrington Observer called it the "second stomping disco album from the kings of the remixes" and believed that the Pet Shop Boys' distinctive sound had been reworked for a "must buy" set.

Though believing those who favour Tennant's dry tenor would feel let down, as his voice is wholly absent from some tracks, he concluded that the album's "beat-savvy production and disco-ready megamix format make it a party unto itself.

[1] The Leader-Telegram reviewer Chuck Campbell opines that it proves the duo's "post-'88 viality and their adaptability to change with fashion", and commented on how DJs could play the album and "take a 47 minute break", due to the lack of segues.

[11] In a short review, Jonathan Takiff of The Philadelphia Daily News included Disco 2 in a list of albums to ignore and quipped: "Don't quit your night job, boys.

[21] Martin C. Strong, writing in The Great Rock Discography (2006), commented that Disco 2 and the B-sides collection Alternative (1995) mark period in which the duo kept a "fairly low profile" following the release of Very.