Those of us in the United States have a three-day weekend coming up, and this isn't one of those "family" holidays like Christmas and Thanksgiving. This is boring ol' Labor Day, which, for gamers, means that we're looking at a solid 72 hours of prime gaming time. But what about the gamer whose gaming collection has run low? How will they possibly fill the long weekend without new games to play? Don't worry, as always, PC Gamer's got your back. Here's our roundup of games with free-to-play weekends, open betas, or recently launched free-to-play games to keep you interested. And if that's not enough, we're giving away five retail games to keep you gaming all weekend long and beyond!