The Magnavox Odyssey 2 K.C. Munchkin! Cartridge Challenger Series is a video game released in 1981 for the Magnavox Odyssey 2 platform. This action and adventure game, rated E for Everyone, features a sports sub-genre of boxing. Published by Magnavox, it includes a manual and is compatible with NTSC-U/C (US/Canada) region codes. The game offers an exciting experience for players looking to explore the world of action and adventure on their Magnavox Odyssey 2 console.