In Doom + Doom II, players navigate through a series of hellish environments, utilizing a diverse arsenal of weapons to combat various demonic foes. The gameplay emphasizes fast-paced action and strategic movement, allowing players to engage in intense combat scenarios.

The storyline of Doom + Doom II follows the protagonist, known as the Doom Slayer, as he battles against the forces of Hell that have invaded Earth, seeking to eradicate the demonic threat and uncover the mysteries behind the invasion.

Doom + Doom II stands out with its blend of retro aesthetics and contemporary enhancements, including improved graphics, refined controls, and new gameplay mechanics, making it accessible to both new players and long-time fans of the series.