I am almost done with the Transmission Received achievement in Portal 1. The only radio I'm missing is the second one in chamber 15. It's not where it is supposed to be.
Portal Test Chamber 15 - Portal Wiki
Portal walkthrough - Test Chamber 15 (Advanced) - YouTube
Test Chamber 15 - Portal Guide - IGN
Portal Chamber 12 Walkthrough + radio transmissions - YouTube
Test Chamber 15 - Portal Guide - IGN
Portal/Transmission Received — StrategyWiki, the video game walkthrough and strategy guide wiki
Portal 1 Walkthrough - Chamber 15 - YouTube
Portal/Transmission Received — StrategyWiki, the video game walkthrough and strategy guide wiki
Portal/Transmission Received — StrategyWiki, the video game walkthrough and strategy guide wiki
Portal/Chamber 15 — StrategyWiki, the video game walkthrough and strategy guide wiki
Someone help me guide through Test Chamber 15 (Portal 1)? I've tried doing the momentum and it just doesn't work. Again I'm pretty sure this is Test Chamber 15. : r/Portal