The air racing game Flight Masters: The Horizon Chase is free for Windows and Windows Mobile, 100% free to keep, in a limited time giveaway offer! Go get it! Flight Masters: The Horizon Chase can normally cost US$29.99!
Killer Instinct is a free to play competitive fighting game, the third in the Killer Instinct series, and also its reboot, though some plot elements from the previous installments have been retained. It was released in 2013.
The roguelike tower defense game Dungeon of the Endless is free, 100% free to keep, for Windows and Mac, in a limited-time giveaway offer! Go get it, as Dungeon of the Endless can normally cost US$11.99!