The Philips Odyssey 2001 is Philips' version of the Magnavox Odyssey 4000, with differences in the games offered and the use of detachable paddles instead of joysticks. Released in 1977, the Philips Odyssey 2001 is based on the National Semiconductor MM-57105 chip, which plays Tennis, Hockey and Squash, and allows full color and direct sound on the TV.