Oddly enough, despite how long Princess Peach has been a part of the Mario franchise, she's rarely been a playable character, aside from her many appearances in multiplayer games like Mario Party and Super Smash Bros. But as for being the main playable character in her own story, Super Princess Peach was only the second game to do so, releasing in 2005, fifteen years after her first appearance as a protagonist, Princess Toadstool's Castle Run.
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