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.
this is for people who dont know how to install skins
Create dynamic water in source game portal You can make it in half life 2 or other source games.
How to make a switch in Source SDK. Copied and pasted from Valve Develper Community: Creating a switch.
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...
A tutorial on how to make your 3D model reskins in the source engine models to glow in the area you want them to. This tutorial requires knowledge of...
What tools you need to Start, Including VTFEdit, GFCScape, Paint.NET or GIMP, Portal, and the Source SDK!
A tutorial on how to downgrade a vtf file e.g. portal 2 wep skins.