For the next six days the cartoonish platformer Nubarron: The adventure of an unlucky gnome is free in the Steam store.
– Account/DRM required: Steam
– Offer ends May 9, 1700 GMT
ASF: !addlicense asf 571045
NOTE: They had some initial difficulty getting the 100% discount to work correctly in all regions. It should be free for everyone now but if you see a price, be patient and check back again in a few hours.
Enjoy the game.