I am trying to get the Transmission Received achievement but in test chamber 18 I found two radios, does this test chamber have two or is this a bug? : r/Portal
Steam Community :: Guide :: Transmission Received Achievement
Portal/Transmission Received — StrategyWiki, the video game walkthrough and strategy guide wiki
GLaDOS' testing track (Portal 2) | Half-Life Wiki | Fandom
Portal Chamber 18 - YouTube
Portal Radios - Test Chamber 17 - YouTube
Potential Portal 2 details revealed in casting call
Steam Community :: Guide :: Transmission Received: finding missed radios
Portal/Transmission Received — StrategyWiki, the video game walkthrough and strategy guide wiki