The product is the authentic and tested Sonic & Knuckles game for the Sega Genesis console, released in 1994 by SEGA. This action and adventure game is part of the Sonic the Hedgehog video game series and is rated E for Everyone. It is specifically designed for the NTSC-U/C (US/Canada) region and comes as a single unit. Sonic & Knuckles offers exciting gameplay and challenges for fans of the Sonic the Hedgehog franchise on the Sega Genesis platform.