https://store.steampowered.com/app/41100/Hammerfight/
Hammerfight is a 2D game about combat between flying machines equipped with a variety of cutting, piercing, and crushing weapons. The unique combat system is based on a realistic physics model and links the pilot´s movements to your mouse.
The key has no territorial restrictions - REGION FREE and is suitable for activation in any country.
(Gives +1 to library)