[4] Upon the release of "Progen", Bill Coleman from Billboard described it as "an aggressive track that makes no bones about blurring the lines between industrial and house music.

"[5] Another editor, Larry Flick, felt that the track "may be best remembered as the most remixed record in history", adding that "at last count, there are 35 versions of this song circulating throughout Europe, seven of which are on this U.S. pressing.

Beneath abundant studio tricks, which alter song's stance from techno to house and then hi-NRG, lies a simplistic and memorable modern-pop tune.

"[7] Dave Jennings from Melody Maker wrote, "'Pro›gen' starts brightly — the Shamen set up a spun-sugar dance sequence, croon 'move any mountain', and you begin to believe that they could.

"[8] David Giles from Music Week stated that the Shamen "are at their pulsating, electrobeat best; a couple of rapping inserts from DJ Mr C rather detracts from the hypnotic overall feel, but it should enhance the record's credibility yet further in clubland.