In the game, you control a soldier in a war against alien creatures called “Demons”. The war has been brewing for a long time, and it has only escalated to this point. The player must work with their military commander to fight against these demons.

The gameplay of the game is based on shooting and killing the enemy. However, the weapons and enemies can be quite varied. For example, there is the BFG9000, the “Big Fat Boss”. This enemy can be quite challenging to fight, as it has a large amount of health and can be very powerful. There is also the “God”, which is much weaker than the other demons, but is still quite dangerous.