While the concept thus was long known in Korea, journalists credit Canabalt (2009) as "the title that single-handedly invented the smartphone-friendly single-button running genre" and spawned a wave of clones.[42][44] Fotonica (2011), a one-button endless runner viewed from the first person, that was described as a "hybrid of Canabalt's running, Mirror's Edge's perspective (and hands) and Rez's visual style".[45]