4 ms·

Thanks for the link, that's the best "demo" for i game I've ever heard/seen.

• ivankirigin 19y ago
  If you really want to start "thinking with portal", search for the challenge maps http://youtube.com/watch?v=MHC7Ld1oXaU http://youtube.com/watch?v=MHC7Ld1oXaU