To celebrate the launch of Cake Mania 2, RealArcade is selling the original Cake Mania for 50% off. RealArcade is also giving away a free Mahjong game, Safari Island.

iWin has a large variety of classic (and some new) games for sale and for free in their Game Vault. And SpinTop Games is offering Mystery Solitaire at 50% off until September 11, 2007.