 Radical Dreamers : Nusumenai Hōseki ( Japanese : ラジカル ・ ドリーマーズ -盗めない宝石- , lit . " Radical Dreamers : The Unstealable Jewel " ) is a Japanese video game developed by Square in 1996 for the Satellaview add @-@ on for the Super Famicom . It is a text @-@ based visual novel in which the player takes the role of Serge , a young man who lives in a village called Foss City . The game was originally developed for the Super Famicom 's Satellaview , a modem peripheral that allowed @-@ for the system to be transmitted via satellite . The game was released in Japan on April 12, 1