https://whenair.com/game/nikoli-no-sudoku-3-daiyonshuu-sudoku-numberlink-shikaku-ni-kire-hashi-o-kakero-japan-playstation-portable-rom-iso/
Nikoli No Sudoku 3 Daiyonshuu - Sudoku Numberlink Shikaku-ni-Kire Hashi-o-Kakero (Japan) Playstation Portable ROM ISO