Orion is a total conversion utilizing Valve Software’s Orange Box engine. Orion immerses the player in an intense online experience with dynamic combat and a vast array of new features.. Featuring fast-paced tactical gameplay on futuristic battlefields, Orion brings the fun into gameplay.
This mod is pretty much your average Halo clone. The game play is very dry and not exciting. Guns and classes are your typical sci fi/Halo stuff.