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

Team Fortress 2 - Official TF2 Wiki

Half-Life - Cut Co-op Mode Remnant Restoration

Core voice lines - Portal Wiki

Advisor Pod, Half-Life Wiki

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

GAMES: Half-Life

Team Fortress 2 - Official TF2 Wiki

The Combine invade Death Battle in a 7 hour war by toainsully on DeviantArt

News - Kotaku

Steam Community :: Guide :: Way too detailed analysis of Combine gear in Alyx ( ports )

Combine OverWiki (@CombineOverWiki) / X

Overwatch Elite, Half-Life Wiki

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

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

Overwatch Elite, Half-Life Wiki