 Square intended to license the work under the "Seiken Densetsu" franchise and gave it the working title "Maru Island"; Hiromichi Tanaka (the future producer of "Chrono Cross") monitored Toriyama's early designs.The team hoped to release it on Nintendo's planned Super Famicom Disk Drive; when Nintendo canceled the project, Square reoriented the game for release on a Super Famicom cartridge and rebranded it as "Chrono Trigger".Tanaka credited the ROM cartridge platform for enabling seamless transition to battles on the field map.