CDKeys has a really creepy offer today. For every game that is marked with "BUY ME", you can put another game in the shopping cart with "GET FREE". With the purchase of the "BUY ME" game you get the other game for free! However, the offer is limited to the first 5,000 key purchases today.
When you purchase Xbox Live Gold 12 months you can get the Resident Evil 4 Ultimate HD Edition for free, for example. So you can prepare yourself for the remake of the classic.
So what are you waiting for. Get your free key on CDKeys.com.