Because its a good game xD

Find a set, and do whatever you want with it! Spawn models to pose for posters or even make your own mini-movie! With more models in the Workshop!

A survival sandbox platformer. Make your character, gather resources, build a hotel for NPCs and defeat challenging bosses! With over 300+ items to get!

You play as Chell, an Aperture Science test subject. After the facility is taken over by a robot you try your best to save it with your Portal Gun!

A modern city building simulator with realistic features such as a need for piping, pylons, garbage dumps and more! £30.00 is certainly worth the cost!

The well known best-seller by the famous ValvE. You play as the role of a Scientist, Gordon Freeman. With the help of friends you defeat the combine!

A creative sandbox game filled with over 50 gamemodes and thousands of workshop add-ons to customize your game and enjoy!

This fast action packed first person shooter is one of Valve's classics and is a free-to-play thats constantly being updated by Valve and the community!