Gold Source Engine.

The History of Goldsrc Games

GoldSrc | The Engine that Defined an Era

A monster_scientist has fallen into the river in GoldSource

GoldSrc physics

Teru Teru Valin

Dead Source Engine Games

"This is a Feature exclusive to the Source Engine"

If Portal was made in the Goldsource engine

Real World Locations in The Source Engine

Portals in Goldsource Engine

Portal Done Half-Life: Source - Chambers 04/05 New Engine Scriptless in 1:09.61

The End of GoldSrc

Modern Physics Engines Suck

Abstract Source Engine Maps

Ragdoll in GoldSource

I think GoldSrc is more fun to create maps for...

LambdaGeneration

goldsrc engine no cry of fear

Batata com ebola

The History of Source Games

Source 2 vs. Source vs. Beta Source vs. GoldSrc

The Power Of GoldSrc.