Thinking in four dimensions! #1

In this video, I bring a very nice mod for Portal 2: Portal Reloaded. Here I have those two very know portals, and a third portal, which is the time portal. Is a very interesting concept and it just triturate your brain at first time. Enjoy the time travelling! I struggled in some moments here :D Chapters: 00:00 Start 00:41 Chamber 01 02:10 Chamber 02 03:26 Chamber 03 04:20 Chamber 04 07:22 Chamber 05 Chamber 05 will be completed in the next video! #portal #portal2 #valve #halflife2