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.

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Willgames' Basic 2D Skybox tutorial

Willgames' Basic 2D Skybox tutorial

Mapping/Technical Tutorial

Skyboxes are easy, so if youre interested in making games for source its inevitable that in outside environments youll start to be in need of them.

Minimalism in PORTAL

Minimalism in PORTAL

No Jump Level Design/Theory

Since I started the development of No Jump, my main focus was to recreate the minimalism style from the first game. From the shape of every room to the...

How to install Portal's content onto Portal 2 and play it

How to install Portal's content onto Portal 2 and play it

Installers Tutorial 3 comments

Install Portal's content onto the updated Portal 2 engine and learn how to work around game-breaking bugs you may encounter while playing it. This tutorial...

Making a Portal Mod for Noobs #1- The Tools

Making a Portal Mod for Noobs #1- The Tools

Other Tutorial 10 comments

What tools you need to Start, Including VTFEdit, GFCScape, Paint.NET or GIMP, Portal, and the Source SDK!

How to Get 3D Models to Glow in the Correct Way

How to Get 3D Models to Glow in the Correct Way

Textures Tutorial 5 comments

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...

How to downgrade v7.5 vtfs to v7.2 vtfs

How to downgrade v7.5 vtfs to v7.2 vtfs

Textures Tutorial 6 comments

A tutorial on how to downgrade a vtf file e.g. portal 2 wep skins.

Basics for portalmapping

Basics for portalmapping

Mapping/Technical Tutorial 4 comments

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...

How to make a switch

How to make a switch

Level Design/Theory Tutorial 1 comment

How to make a switch in Source SDK. Copied and pasted from Valve Develper Community: Creating a switch.

Create Dynamic water.

Create Dynamic water.

Level Design/Theory Tutorial 3 comments

Create dynamic water in source game portal You can make it in half life 2 or other source games.

Texturing human Skin without photos in Photoshop

Texturing human Skin without photos in Photoshop

Portal: Combat Textures 17 comments

This tutorial covers how to create some basic skin for your models without using photos in Photoshop from a lightmap texture extracted from your model.

Project-Alpha Techniques Tutorial

Project-Alpha Techniques Tutorial

Portal: Project-Beta Level Design/Theory 8 comments

This tutorial will cover KernCore's techniques that were presented in Portal: Project-Alpha

install skins

install skins

Skinning Tutorial 7 comments

this is for people who dont know how to install skins