Company advertisement Included in the Box Guns of Fort Defiance - In this exciting arcade game, you are the commander of a 19th century artillery piece in a besieged stockade. For each shot you must specify a type of ammunition -ball, canister, shell or spherical case - and fuse length (if applicable), and set the elevation and deflection of the cannon. The computer controls the enemy forces, randomly attacking with cavalry, Infantry or another artillery piece.