A Quantum Leap in Video Game Technology. XONOX Double-Ender plugs in at both ends and contains two completely different game chips, each with 8K of memory. (Each end has twice the memory of most other game cartridges.) So with Double-Ender, it's a whole new game! Hi-res graphics. Multiple game screens. Challenging play action. Time clock tension. New surprises in each game. And a new game in each end! XONOX Double-Ender... twice the fun for the price of one!

A Quantum Leap in Video Game Technology. XONOX Double-Ender plugs in at both ends and contains two completely different game chips, each with 8K of memory. (Each end has twice the memory of most other game cartridges.) So with Double-Ender, it's a whole new game! Hi-res graphics. Multiple game screens. Challenging play action. Time clock tension. New surprises in each game. And a new game in each end! XONOX Double-Ender... twice the fun for the price of one!