UFO! is an action game for the Odyssey^2, and is a single player experience. It was published by Magnavox.
UFO! is a commonly available game for the Odyssey^2. It shouldn't be too difficult to find this game for purchase. In good condition, the game is worth about $5.00. UFO! was released in 1982.
Shoot only the three-point UFOs, using the 1-point UFOs as a shield against the Starship.