"In the olden days of gaming, when quarters were a hot commodity and color graphics were the newest innovation, one name stood out as king: Atari. The games were visually simple, but still retain their hold as some of the most challenging and fun games ever created.
Each keychain has a secret - they contain real games. Plug in the included 6 foot cable (on a battery powered reel) into the keychain and your TV , and you really can enjoy the games of yesteryear. Yes, you read that right: these keychains contain real Atari games, and are fully playable! "
Here's how the games break down:
Joystick 1 - Asteroids and Millipede
Joystick 2 - Centipede and Yar's Revenge
Paddle - Pong, Breakout, and Warlords
Buy it at ThinkGeek.com