[2] "By My Side", one of the few tracks to feature writing credits from Christopher Karloff was described as "a memorable, lush tune that suggests what it would sound like if James Bond film themes had proper B-sides".

The penultimate track "British Legion" is an acoustic ballad showcasing the band's "surprisingly tender gentle side",[3] featuring Pizzorno on lead vocals and bassist Chris Edwards playing a Wurlitzer piano.

"[7] Chris Salmon of The Guardian noted that Kasabian's boastful talk of the album resulted in a mixed bag of tracks that fall just shy of their claim, in terms of influenced production and lyricism, saying that: "While Empire isn't an exceptional record, it offers enough to be described as a good one.

"[3] AllMusic's David Jeffries commended the band for taking a grand-scale approach to mixing their influences into an Oasis-sized project, but felt they forgot to write catchy tracks to lead the album, saying that: "Lost in all this is the instantly grabbing songwriting of Kasabian's debut, and to some extent, the bandmembers themselves, who often seem to be riding this swirl instead of guiding it.

"[1] Despite praising a few tracks, Lauren Murphy of Entertainment.ie felt the album was just a retread of their debut with Tom Meighan's vocals starting to sound strained throughout, concluding with: "If Kasabian hadn't attempted to build their Empire by recounting its wonderment prematurely, it might have stood a chance; instead, their audacity just proves them to be, unsurprisingly, more geezer, less Caesar.

"[4] Peter Relic of Rolling Stone criticized the album for sounding like a rehash of established British rock bands and Meighan for having weak vocal delivery on the tracks, calling it "miles worse than their shallow but tasty first, its big-budget production only making its shortcomings more apparent.