Steam News announces a weekend celebrating the 10th anniversary of publisher Klei Entertainment, offering a sale and the chance to play all Klei's games for free:

In celebration of the 10th Anniversary of Klei Entertainment, save up to 85% on their catalog of titles including Don't Starve, Invisible, Inc., Mark of the Ninja and more*!

Additionally, all of their titles are available to play for free starting now until Sunday at 1PM Pacific!

If you already have Steam installed, click here for the list of participating titles. If you don't have Steam, you can download it here.

*Offer ends Monday at 10AM Pacific Time