The new free Epic Games’ first-person shooter game for Windows, Polysphere 3D, is an epic experience with amazing visuals, an engaging storyline and a wide variety of weapons. In Polysphere 3D, you are a new recruit of the Polysphere Corporation and you must defend the planet from an invasion by an alien race. The story revolves around an alien invasion, but you will discover more about the world and its inhabitants. You will also have to use your knowledge of weapons and tactics to defeat the enemy. Polysphere 3D has a lot of content, so there is a lot to explore. You will need to complete numerous missions, which will give you access to new weapons, upgrades and other features. The game is free to play, but there are also in-game purchases that you can buy to enhance your experience. You can also unlock new weapons and armour to help you in your battles. Polysphere 3D is a free to play, 3D first-person shooter game for Windows.