Hidden & Dangerous is a tactical first-person shooter for the Sega Dreamcast set during World War II. Players control a squad of four Allied commandos on diverse missions, including bomb planting and hostage rescue. Gameplay features both first-person and tactical perspectives, allowing for strategic planning. The campaign consists of multiple episodes, each containing several missions that challenge players' skills and tactics.
The player play four Allied commandos in operations during World War 2. Mission vary from bomb planting to hostage rescue. The player can even drive tanks and other vehicles.
The player can control a soldier in FPS mode and control the rest in a tactics mode.
The campaign is divided into many episodes, and each episode into missions.