After completing "Red Alert", he took a short break to review his work. He concluded that some songs could be enhanced, but "Red Alert" had already gone gold, precluding new versions. These remixes later appeared on the unsuccessful "Command & Conquer: Sole Survivor". "Red Alert"s soundtrack was voted best video game soundtrack of 1996 by "PC Gamer" and "Gameslice "magazines, defeating Trent Reznor's score for "Quake". Reviewers called it "fun to listen to" and "second to none." As of 2005, "Red Alert" was listed in the "Guinness Book of World Records" for selling several million units, bringing Klepacki his widest audience. He wrote additional music for the game's expansion packs, "Counterstrike" and "Aftermath". He attributed the success of "Red Alert" to an infusion of modern styles not found in other games. Klepacki initially wrote off the popularity of his music, assuming that his music "must only appeal to die-hards." He considered it "very surreal" to realize his soundtracks had gained him fame, and has since embraced his fans and critics.