Donkey Rhubarb was released on 14 August 1995 by Warp on 12" vinyl and compact disc.Donkey Rhubarb charted for one week in the United Kingdom at number 78 on the UK Singles Chart. A music video for "Donkey Rhubarb" directed by David Slade was made in 1995. The video was released on DVD by Warp in September 2009.
Spin referred to the track "Donkey Rhubarb" as a "silly steeldrum reverie". Ned Raggett of AllMusic gave the EP a four star rating, praising "Donkey Rhubarb" for its "lovely main melody dressed up with quick beats, bleeps, and the like". Raggett declared that a surprise was Phillip Glass' version of "Icct Hedral", stating that "the original's chilly melody made even more serenely beautiful and disturbing all at once thanks to Glass' fine orchestration".