A short but wonderful game.
Humble Bundle are offering the Windows PC version of A Story About My Uncle for free until January 12, 2019 at 10 AM PST if you subscribe to their Humble Bundle newsletter.
A Story About My Uncle is a first-person platformer that normally sells for $12.99. The main story takes about 3 hours to complete. Here's a trailer for the game:
Important note: Once you accept the offer, you'll have until January 17, 2019 at 10:00 AM PST to redeem your code on Steam.