The listing, cloud knights steam key [pc] all countries, region free has ended.
Steam price: $4.99 USD
Reviews: 70% positive
Trading cards: no
Swing and slash your way to victory on the floating arenas of Cloud Knights! Pick your weapon and use it to hack at the enemies and move across the game world. The physics-based controls allow the characters to move and fight by simply swinging their weapon. All game modes can be played by up to two players locally. Save fellow knights, defeat the invading Undead Legions and crush your mightiest opponents in boss fights!
Key Features:
Unique physics-based control method
60 level campaign mode with boss fights and varying missions
Versus mode for one-on-one dueling
Survival mode for endless fun
Two player option for each game mode
Beautiful game world that gradually changes with every level
Four different weapon types to choose from. Each with upgrades.
more details:
http://store.steampowered.com/app/360130/