Expert

In Expert the player takes control of a special unit soldier that will have to solve different kind of missions. The gameplay is the usual in these kind of Doom games: The action takes place in a first person perspective graphics engine. The game features different kind of weapons (granades, pistols, rifle, automatic guns, etc.), and 2 types of weapons for the player to choose one of them before each mission.

Between each mission there are sequences in 2d graphics in which the mission is explained by other members of the unit.