The Final Hours of Half-Life: Alyx - Combine OverWiki, the original Half-Life wiki and Portal wiki

Combine Locker - Combine OverWiki, the original Half-Life wiki and

HLA Scanner01 - City Scanner - Combine OverWiki, the original Half

Steam Community :: Guide :: Way too detailed analysis of Combine

Half-Life: Alyx - Final Hours on Steam

OverwatchGruntsQuestioning - Combine Grunt - Combine OverWiki, the

The Final Hours of Half-Life: Alyx - Combine OverWiki, the

Locations of Half-Life - Wikipedia

Combine OverWiki

List of references - Official TF2 Wiki

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