Detectable Mechanically fan portal test chamber 18 radio Assets impression State
Test Chamber 18 Part 3 - Portal Guide - IGN
Hi guys, I was playing portal 1 again and noticed this, a radio appeared on some maps, which, as far as I remember, shouldn't be here, I thought I hadn't noticed before,
Test Chamber 18 - Portal Guide - IGN
Portal Walkthrough - The Challenge Test Chambers - Test Chamber 18 (Least Time - 1:13) - YouTube
Steam Community :: Guide :: Transmission Received Achievement
Portal Chamber 12 Walkthrough + radio transmissions - YouTube
Is this intended in Advanced Chamber 18? (No solution pls, just a Yes or Nope) : r/Portal