Tunnels of Armageddon is a computer game involving racing

Racing

A sport race is a competition of speed, against an objective criterion, usually a clock or to a specific point. The competitors in a race try to complete a given task in the shortest amount of time...

 and shooting

Shooting

Shooting is the act or process of firing rifles, shotguns or other projectile weapons such as bows or crossbows. Even the firing of artillery, rockets and missiles can be called shooting. A person who specializes in shooting is a marksman...

 while avoiding obstacles.

Summary

The game features pseudo-3D graphics. Gameplay involves piloting a futuristic spacecraft through a series of tunnels to a destination within a certain time limit. Colliding into obstructions depletes a limited amount of shields given. The game is Sci-Fi in theme. The rather simple plot amounted to traversing deeper into tunnels to save Earth from evil aliens. The PC version had support for both EGA and VGA graphics, as well as an Ad-Lib or Soundblaster soundcard.