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.

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ORION: Prelude - Come Visit (view original)

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We are shifting the separation between the Source Multiplayer Beta page and ORION: Prelude. We will no longer be updating this area with Prelude-related content so make sure to "Watch" our new title, 'ORION: Prelude'. The site is located at:

We will be continuing to post all Source Multiplayer Beta-related updates here - including 'Play With Developers' matches.