Star Fox Adventures, released for the Nintendo GameCube on September 22, 2002 (NA), is the most genre-defying entry in the entire series. Originally developed by Rare Ltd. as Dinosaur Planet — an unrelated N64 action-adventure — Star Fox Adventures was reskinned mid-development with Fox McCloud as the protagonist after Shigeru Miyamoto saw similarities to the Star Fox cast.
Star Fox Adventures is a third-person action-adventure in the Zelda mold — Fox explores a fantasy planet on foot, solves environmental puzzles, fights primitive enemies with a magic staff, rescues dinosaur tribes, and only occasionally pilots an Arwing in brief space-combat interludes. For long-time Star Fox fans expecting another rail shooter, this was a culture shock. For Rare fans who had loved Banjo-Kazooie and Donkey Kong 64, it felt familiar.
Eight years after the events of Star Fox 64, Fox is dispatched alone to Dinosaur Planet, a world being torn apart by a mysterious force. He befriends the local SaurianTribes, wields the magical Krazoa Staff, and battles the war-mongering General Scales. Late in the game, Fox rescues Krystal, a blue vixen telepath, who was originally Dinosaur Planet's main protagonist before the Star Fox rebrand. Krystal would go on to become a major series character through Assault and Command.
Star Fox Adventures is a competently made action-adventure game saddled with the wrong franchise label. The Arwing sections are short and disconnected from the on-foot bulk of the game; the on-foot combat is simpler than Ocarina of Time's; and the puzzle design relies heavily on Rare's tendency toward fetch-quest padding. Fans who wanted Star Fox 64-style dogfights felt betrayed; fans who didn't know what they wanted often enjoyed it for what it was.
Star Fox Adventures reviewed well at launch (~80% Metacritic) but its reputation has cooled. Many retrospective takes treat it as Rare's last-gasp Nintendo project — Microsoft acquired Rare in late 2002, just days after the game shipped — rather than as a Star Fox milestone. Krystal's introduction is the longest-lasting contribution.