Alien Zone is an entertaining game that transforms your computer into a slot machine. The game comes with lots of UFO and alien special effects, and different features that will make your gaming experience unique. When playing with normal spins, every radioactive symbol switches your game to condition yellow. This effect can last for up to three spins. If no radioactive symbols appear during condition yellow, the game switches to condition orange. If no radioactive symbols appear for three spins in condition orange, the game switches to condition red. In Alien Zone you can win bonuses during all three condition levels. You'll have unlimited credits, so you can play and win for hours. The game includes modes for five or six reels, and special games that are filled with great features for enhancing your game time. Alien Zone is a great choice for slot machine lovers.