Best ga,e made by Valve.

[Jargalhurts]

It's simple. What is the best game made by Valve Corporation in your opinion?

Sorry, had a typo on the title

 

[Super-Sheep]

TF2.

And as far as I know Alien Swarm isnt created by Valve itself. It was just created by some modders with Source engine.

 

[Koeky]

I've didn't play much of those games, but my vote goes to portal.
Because the cake is lie

 

[Arowanna]

Counter Strike is a mod mate, just saying

 

[Jargalhurts]

Counter Strike is a mod mate, just saying

it turned into a retail game for purchase by Valve, just mentioning.

 

[Coolty44]

TF2.

And as far as I know Alien Swarm isnt created by Valve itself. It was just created by some modders with Source engine.

Alien Swarm was a project by several top-class source modders that Valve sponsored to make a game from scratch using source.

 

[MortAr]

Half-Life

 

[HolyFireX]

L4d 2

 

[Kuhneghetz]

Team Fortress 2, Left 4 Dead and Left 4 Dead 2.