DIYGamer: "The work of indie developer Mårten Jonsson, in this case as a result of his efforts in the Project Eden Music Game Contest, is now playable on Kongregate. [R]Evolution is a brand new sci-fi music game. Yes, it’s as eccentric as it sounds. In control of a ship, the player’s main goal is to build up as much of the soundtrack as possible by collecting enemies (yup) before smaller objects collide with them. At the same time, the ASDF keys can be used to activate different channels of the song playing, thereby allowing for specific enemy types to spawn — ultimately, if you use this right, you get a higher score."