Orion is the facility that formally was known as BlackMesa. It started up again 3 years after the incident... created by Ilija Petrusic AKA Icewollf.
project orion part 1 full version
Story: Orion is the facility that formaly was known as BlackMesa. It started up again 3 years after the incident... Singleplayer mod for Half-Life, be sure to check our website and forums!
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