I just bought Poker Night 2 on the Summer Steam sale a couple days ago. When it finished downloading and installing I tried to run it and after I saw the black "loading..." screen a windows message pops up saying that it had stopped working. I spent an hour or so trouble shooting and was ultimately able to have the game open for me. The only way I could get it opened was if I opened the game and then alt tabbed to bring something else to the foreground. It seems as though the game will open fine in the background but crash if it opens in the foreground. After getting it to work one time I decided to play it. I finished 2 tournaments and started playing a 3rd when the game froze.