The original Ravenhearst (a hidden objects mystery game) is available for free (seriously) if you use the coupon code HOLIDAYRAVEN at checkout. Click an image below to get the game.
Huntsville, for 35 cents if you use the coupon code HUNTSVILLE99 at checkout. Huntsville was the first hidden objects game I played. I've played it twice now. Yes, it's still fun. Click an image below to get the game.