Atari's Tempest is a one or two player game with a color X-Y monitor.
Enemies come out of the tubes and attempt to destroy the player.
When all the enemies in a tube are destroyed you fly through the tube to the next one. There are 16 tube shapes in all. The Control Panel is completely black with Dymo Label's for instructions. Everything else is pretty much just like a normal production cabinet. The monitor however has a homemade Protection PCB wired into it.