Play the fun yet challenging spin-off of the classic Sonic titles as you play the role of the red brawler hedgehog named Knuckles in Knuckles Chaotix 32X! Knuckles Chaotix 32X is a side-scrolling platform game developed and published by Sega for the 32X gaming system back in 1995. The game features the same gameplay as the Sonic the Hedgehog game series but features Knuckles as the main character. The game features five playable characters, each having their own unique abilities that can change the game style of the player. The characters are: Knuckles the Echidna, Mighty the Armadillo, Espio the Chameleon, Vector the Crocodile, and Charmy Bee.