There are many multiplayer games that you can find online these days. With the fast growing technology, there are thousand and thousands of application existing. And to give you the best multimedia application, here are some:
NOVA: (Near Orbit Vanguard Alliance) this NOVA is a Hallow like first person shooter which set in sci-fi world. The graphics is excellent and the game play is crisp.
Galcon: the Galcon is very original you can do all the moves in a galactic domination. It is very simple yet addictive. The graphics are good as well as the color.
My Brute: this is also one of the addictive multimedia applications that you can have. This is a game where you will have a fight and create your own equipment and building.
Alive Meridian: you can prefer to have a shoot ups and top down the living dead. This is an application where you have to battle against zombies in the infested wasteland.