Routes(ルーツRuutsu) is an eroge game originally produced by Leaf for the PC. It was the fourth volume in the Leaf Visual Novel Series, and was released in 2003, six years after the third, To Heart. The CD-ROM version was released on February 28, 2003, whereas the DVD version, which contained additional CGs, was released on 28 November 2003, A remake of the game was released by AQUAPLUS on the 25 January 2007, for the Playstation 2 and the Playstation Portable. The new version boasted voice acting, but was no longer rated 18+.