Puyo Puyo Sun (ぷよぷよSUN, Puyopuyo SUN) also as Puyo Puyo 3 is the third installment of the Puyo Puyo game series. The game was initially developed for the Sega Saturn-based ST-V arcade hardware in 1996. The game's title and emphasis on the sun is a play on the Japanese word for the number three, san (さん, 三).
Puyo Puyo Sun introduces the eponymous Sun Puyo. By offsetting waiting Nuisance Puyo, the player earns Sun Puyo that drop into random columns. These Puyo are similar to Nuisance Puyo except that, when cleared, they increase the amount of Nuisance that the opponent receives. Sun Puyo is also given whenever the player performs an All Clear.