Upon release, it became the fastest-selling album ever released on the label, which had been running for 25 years. The album cover of Otherworld, designed by Naoimh Ingram, was described by one critic as "an arty photo of light glancing off rippling water—the band's name in blurry cursive script—a mystical title."
Upon its release, it became the most popular album ever on the label, which had been operational for 25 years. The cover of Otherworld, designed by Naoimh Ingram, was noted as "a visually creative photo featuring light reflecting off water—the band's name in unclear cursive script—a title suggesting a mystical theme."