The Source engine is a 3D game engine developed by Valve Corporation. Its unique features include a large degree of modularity and flexibility, an artist-driven, shader-based renderer, accurate lip sync and facial expression technology, and a powerful, efficient and completely network-enabled physics system.

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Best engine ever made!

It's difficult to phrase it without sounding like I'm fanboying, but Source is the best game engine out there. The most important reason for this is organization.

The engine, engine branch, game, mod, and SDK file directories are very well organized.
Engine Branches: Half-Life 2 and the episodes all use the same engine branch, so they all share a directory.
In this case, the engine branch directory is
"steam/steamapps/common/half-life 2"
And the game directory for Half-Life 2 would be
"steam/steamapps/common/half-life 2/hl2"

The basic structure of a game's directory in one engine branch is virtually the same with all engine branches
If you find the file "gameinfo.txt" in:
steam/steamapps/common/half-life 2/hl2/
Then you will most likely find a similar file in:
steam/steamapps/common/left 4 dead/l4d/

If you learn to mod one source game, then you also learn how to mod most of Valve's games so far, and probably most of Valve's games in the future.

source is amazing nuff said

its awesome

I have had some great times with the Half-life franchise thanks to valve, and the great old Team Fortress which is now classic, brilliant.


For me, this engine is the best of the best.

Just an all round great engine with some off the best games of all time

One of the best engines ever, and it was very amazing back then. Even to this day.

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