William and Sly is a fabulous platform game. You can play it on CrazyGames, free of charge. William and Sly has been played by 11,559 people and has received a rating of 8.9 / 10 by 217 people. William and Sly uses Flash to run flawlessly in all modern browsers. If you enjoyed this game, you should take a look at our other platform games such as Vex and Vex 2.