That's exactly what it is, it's a marketing campaign. The game is avaliable for pre-load now, but it's only playable over the weekend.beholdmycape said:I dont want to buy the fucking orange box, I just wanted to give TF2 a quick play this weekend. Call me an idiot but im kinda selective about what software I install on my hard drive. This looks like a ruse by steam to sign people up.
If you don't like it, I suggest you don't play it. It's quite a simple solution.
EDIT: And it's not US only, its worldwide. The free play period just hasn't started yet, it's only the pre-load period.