The game follows a soldier who participates in an expedition to find crypt of the ancient magus Ghuwta.

Ghuwta a powerful sorcerer who ruled a strong empire was 4,000 years ago.

To fight enemy player can use four weapons -a basic handgun, a machine-gun, a fireball-gun and a double-gun.

Another reviewer, Joachim Froholt, commented Testament as "a hugely entertaining and atmospheric game which stands up surprisingly well when compared to the best 3D shooters of today.

On the other hand, it criticised the technical aspect of the game such as AI of enemies or the engine.