Dishonored is free on Steam this weekend, and you're rapidly running out of excuses not to have played Arkane's excellent stealth-'em-up.
Dishonored is quite a big game so you'll want to start the download from Steam as soon as possible.
You probably won't have time to finish the game - well, not properly, with a no-kill run and and all-kill run and a ghost run. But never fear: it's 75% off, too, so you can buy it on the cheap if you want to play more. Which you should. or we're not friends any more.
Just as a reminder, Dishonored is also free via Xbox live Games with Gold August at present. I'm not sure why Bethesda is giving Dishonored away so much lately but I'd like to imagine it's because Dishonored 2 might be on the way.
Borderlands 2 is also free on Steam this weekend so I hope you didn't have any plans.