*GameHouse (www.gamehouse.com/free-games) gives away free games everyday.
The games are free for unlimited use for as long as the player want to play with all the features of the regular download version. No crack, no keygen, no patch, no serial number nor registration key required (mostly). Once downloaded, player just login to GameHouse account to play.

*Sandlot Games (www.sandlotgames.com) is also giving away free games, albeit only one game per week.
The games portfolio of Sandlot Games includes of popular franchises like Cake Mania, Westward, Kuros, and Tradewinds. Most of the games distributed by Sandlot Games are downloadable PC games, but it does offer other titles for Mac, iPhone, iPod, Wii, and PSP.

The free game of the week promotion runs from Monday to Sunday. So players and gamers who interested to get the game have one week to download and “purchase” the game for free. On every Monday they list a new free game of the week available for download.