The gameplay of Vietcong 1 is heavily focused on realism. You will be able to use a variety of weapons and equipment that were used during the Vietnam War, such as the M16 rifle, the M60 machine gun, and grenade launchers. In addition, you can make various tactical decisions, such as using stealth paths to avoid enemy patrols or coordinating with your team members to launch attacks on enemy positions.
The graphics of the game were impressive for the time and offered detailed environments and character models. The sound effects and musical score contributed to the atmosphere of the game, while the voice acting allowed players to immerse themselves intensively in the Vietnam War scenario.