Birthday Games

[Cranyx]

My birthday is coming up, and a few of my friends want to get me something via Steam, but they don't know what I want. What are some great classic games (Or modern ones that are inexpensive and low req) that I should ask for?

 

[Shakomaru]

Portal? Portal 2? Vampire the Masquerade: Bloodlines!

 

[Cheesus333]

The Half-Life series, specifically number 2 + episodes. Also, Portal. Also Left 4 Dead.

I'm going to save some time and say 'anything/everything that Valve has made.'

 

[Najos]

Mount and Blade: Warband! And what everyone else has said.