Free Nubarron: The adventure of an unlucky gnome is currently free to keep on Steam until 9 or 10 May

Description : Guide Gnome across the dangers of this twisted fairytale world. Can you break the make the annoying cloud go away? And recover his stolen Lucky Hat? Trust your friends? Find out in this, a casual platformer set in a beautiful painted world full of weird creatures you'll have to deal with.

Until 9 or 10 May, I didn't convert the time zones, but it says 10 May for me.