It includes the song "Promises", which hit the number one spot on Billboard's Mainstream Rock chart.

"[6] Three songs were co-written with Lange, who performed backing vocals (as he had on other albums): "It's Only Love", "All Night" and "Promises".

A song first recorded by Vivian Campbell's side band Clock, "To Be Alive", received a Leppard makeover.

[citation needed] 1996 Formula One racing champion Damon Hill, a neighbour of Rick Savage, would contribute a guitar solo to the track "Demolition Man".

First single "Promises" topped Billboard's Mainstream Rock chart in June 1999, a spot the band had not held in six years.

The album was released for the first time on vinyl on 21 June 2019, as a part of The Collection: Volume 2 box set.

Rating the album 4 out of 5, Stephen Thomas Erlewine of AllMusic notes in his retrospective assessment that despite the band returning to their signature sound "no longer guarantees a hit at the close of the '90s", Euphoria is "a tight, attractive album with more than its share of big hooks, strong riffs, and memorable melodies."

He notes that "the defining characteristic of Euphoria is its bloodlessness, from the robotic drum tracks to the disconcertingly inhuman tone of those trademark massed vocal choruses", concluding that "the flesh-and-blood Def Leppard apparently never made it out of the Eighties alive.