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http://developer.valvesoftware.com/w/images/2/23/SourceLogo.gif	The engine under the hood of Half-Life 2 can make your game a success. Let Source™ do the heavy lifting so that your team can focus on building great games.
http://developer.valvesoftware.com/w/images/3/3c/SteamLogo.gif	If you're interested in building a product using Source, talk to us about options for distribution on Steam.

Read about licensing Valve Technology   http://developer.valvesoftware.com/w/images/4/41/DoublearrowBrown.gif