Reading comprehension for the win! Did you read the page that was linked? Scroll down and read the fine print and have a nice hot cup of STFU.
As much as I love edgy kids online, they're promoting free games which don't actually exist anymore. "Register now for your free game!" Go ahead and register and see if you get one. The $1000 sweeptake is a completely separate matter, and has nothing to do with just registering and everything to do with having to actually buy something from them in order to be eligible.
It doesn't seem like a difficult concept to wrap your head around, but I guess your darling attitude compels you make an ass of yourself regardless.