Siphon Filter: Dark Mirror, a third-person shooter, immerses gamers in the setting of Gabe Logan, a seasoned operative conducting covert operations for a secret agency. The narrative unfolds through a series of episodes, each containing a variety of missions, enemies, and a complex storyline centered around the mysterious Dark Mirror project.

In the structure of the title, the episodes offer gamers different levels in which they will have to use stealth tactics, direct combat, or a combination of both methods to achieve goals. Dynamic gameplay mechanics give users the chance to use different weapons, gadgets and strategies as they progress through missions. Multiple vision modes, including night, infrared and electric, enhance the user's ability to detect hidden threats and objects, adding depth to the tactical experience.

In addition to an interesting single-player campaign, Siphon Filter: Dark Mirror expands its capabilities with multiplayer, designed for up to eight gamers. This mode is a competitive arena where gamers can take part in various gameplays such as deathmatch, team deathmatch and objective-based challenges. The multiplayer component enriches the gaming experience by promoting intense and strategic confrontations between participants, extending the longevity of the title and fostering the formation of a vibrant user community.