Tony Todd - Combine OverWiki, the original Half-Life wiki and Portal wiki

John Aylward - Combine OverWiki, the original Half-Life wiki and Portal wiki

Combine Over - Introduction: 314 URB-LOC 0017 Advisor, Airboat, Andrea Wicklund, Antlion Hill, Aperture Science Bomb, Aperture Science Crusher, Incinerator, Aperture Science Robot Worke

Free PC Pinball, a lot of game mods, etc.

Community Interviews: Tony Newton, co-creator of Redemption

Adam Baldwin - Combine OverWiki, the original Half-Life wiki and Portal wiki

Tony Todd, Half-Life Wiki

Kim Dickens - Combine OverWiki, the original Half-Life wiki and Portal wiki

Olly Moss - Combine OverWiki, the original Half-Life wiki and Portal wiki

Community Interviews: Tony Newton, co-creator of Redemption

Half-Life / What Could Have Been - TV Tropes