BlackSite: Area 51 features first-person shooter gameplay. It uses a regenerating health system; additionally the player's character can absorb relatively large amounts of gunfire before dying. The game features six different weapons, though only two can be carried at the same time. The game also features the ability to use grenades and melee attacks. The game's main weapon, the M4 carbine, has a holographic sight that can be aimed through for zooming in on distant targets