Original: Year of the Dragon is the third installment in the Spyro series and the last Spyro game to be released for the PlayStation. The game was the last Spyro game Insomniac developed; their next title would be Ratchet & Clank for the PlayStation 2.
Simplified: It is the third game in the Spyro video game series and also the last Spyro game that was made by Insomniac Games.