The bosses noticed and offered a promotion.- Battlezone (1980 video game) (Wikipedia)
Battlezone is a first-person shooter tank combat game released for arcades in November 1980 by Atari, Inc. The player controls a tank which is attacked by other tanks and missiles. Using a small radar scanner along with the terrain window, the player can locate enemies and obstacles around them in the barren landscape. Its innovative use of 3D graphics made it a huge hit, with approximately 15,000 cabinets sold.