call of duty free is an online 3D game. In this world, you have to eliminate a certain number of enemies to complete the task. There are many kinds of weapons here, such as sabres, AK47, sniper guns, etc. You can unlock the weapon when you finish the condition, and you can complete the task more easily if you have the weapon. Wish you have a good time.
Shooting with the left mouse button, aiming with the right mouse button, switching weapons with the mouse wheel, shift key can speed up the progress, p key can view more detailed introduction to play
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