If your one of the few people that haven’t play Valves highly praised, Physics fracturing game Portal, I want you to click here, Hell even if you have but don’t have it for your pc, then click on it as well, because from today until September 20th, you can get Portal 1, for FREE. All you need is a Steam account, which is also Free, to enjoy the sweet science and cake.
Valve is doing the promotion as they were touched that teachers have been using Portal to show how math and physics works, hell where was this when I was in school.
To get your free copy, click on the link above and follow the instructions.