In Doom II RPG, players engage in a first-person role-playing experience where traditional fast-paced shooting is replaced by a turn-based system. Players must strategically choose their actions, as each move, attack, or item use consumes a turn, emphasizing tactical decision-making.

The storyline of Doom II RPG follows a team of soldiers and a scientist sent to investigate Tycho Station on the Moon after demonic incidents linked to UAC experiments. Players navigate through the station and even venture into Hell to uncover and eliminate the source of the chaos.

Doom II RPG stands out with its unique blend of RPG mechanics and familiar elements from the Doom series, including iconic weapons and enemies. The introduction of mini-games, character customization, and the innovative Holy Water Pistol adds depth and variety to the gameplay experience.