Olga - Combine OverWiki, the original Half-Life wiki and Portal wiki

Half Life Wikia or Combine Overwiki? : r/HalfLife

Richard Keller - Combine OverWiki, the original Half-Life wiki and Portal wiki

The Combine, Half-Life Wiki

Uriah - Combine OverWiki, the original Half-Life wiki and Portal wiki

Locations of Half-Life, Neo Encyclopedia Wiki

Half-Life Opposing Force: Prima's Official Strategy Guide: Gearbox Studios: 9780761525905: : Books

White Forest, Half-Life Wiki

Sandy and Laszlo - Combine OverWiki, the original Half-Life wiki and Portal wiki

Alien Research Lab - Combine OverWiki, the original Half-Life wiki and Portal wiki

Female Scientist - Combine OverWiki, the original Half-Life wiki and Portal wiki

The Security Complex - Combine OverWiki, the original Half-Life wiki and Portal wiki