Complex sentence: The first "Ratchet & Clank" was the first western-produced game bundled with PlayStation 2 in Japan, because it was the first western video game to make Japan's top 100 list.
Split into simpler sentences: The first "Ratchet & Clank" has the notable distinction of being the first western-produced game to be officially bundled with the PlayStation 2 in Japan. This was a result of "Ratchet & Clank" being the first western video game to make Japan's top 100 list.