Nikoli No Sudoku Lite Dai-Is-Shuu ROM for Playstation Portable (PSP). Nikoli No Sudoku Lite Dai-Is-Shuu game is available to play online and only onRoms Games. Nikoli No Sudoku Lite Dai-Is-Shuu ROM for Playstation Portable requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.