You can find adventure, third-person action, puzzles, racing, soccer, basketball, and even fighting games. The best part is that you won't find only classic Flash games – you can also download and play loads of free titles with polygonal graphics and high production value.
Some of the most famous games available are Sid Meier's Civilization, Xonotic, Trackmania Nations, Golden Axe, Happy Wheels, The Lost Vikings, and Dune. But this is just a smattering of the well known titles; there are hundreds more free games waiting to be downloaded.
Jogobox is a free games client that has everything needed to become a must-have for serious gamers: a huge catalog, low CPU usage, custom options, and the fact that you don't have to pay a dime to play for hours on end.