Bullet Force is an incredible fast moving unblocked multiplayer FPS game with amazing 3D graphics. At the beginning of the player, you can create a room of public for play with thousands of people from all over the world.
If you want to play with it in private with your own friend you can create a private room it is all your decision. However, you can also join one then start shooting. You will need good powerful weapons so that you have to purchase weapons and other extensions, including deathful machine gun and RPG! Do not forget you are going to have amazing abilities which only can uses after you reach killstreaks!