 | © 2010 Valve Corporation, all rights reserved. Valve, the Valve logo, Half-Life, the Half-Life logo, the Lambda logo, Steam, the Steam logo, Left 4 Dead, the Left 4 Dead logo, Team Fortress, the Team Fortress logo, Portal the Portal logo, Opposing Force, Day of Defeat, the Day of Defeat logo, Counter-Strike, the Counter-Strike logo, Source, the Source logo, Valve Source and Counter-Strike: Condition Zero are trademarks and/or registered trademarks of Valve Corporation. |
Note: this license should only be used on content if the copyright is owned by Valve, and it does not fall into any of the following categories:
- Artwork images: use
{{ArtworkP2}}instead; - Screenshots: use
{{ScreenshotP2}}instead; - Audio clips: use
{{AudioP2}}instead; - or other media extracted from game files; use
{{ExtractP2}}.
Please see Portal Wiki:Licensing images for more information.