Portal is a first-person puzzle game. Players must solve physical challenges by opening portals to maneuver objects, and themselves, through the enigmatic Aperture Science Laboratories.
When I started making maps for portal, it was quite hard because there was few video-tut's, so i decided to share how to make them when I was good enough my selves. And here they are:
Posted by Stektpotet on Mar 25th, 2011
(You may want to turn up the sound a bit)
Thanks for watching :D I hope this tutorial helped you on your way.