Got this one from Big Fish Games — Mystery Case Files: Huntsville, normally $4.99 for new users, it is now $1.79 (for new users as well) when you use coupon code mcfhunt179.
Description:
Do you have a keen eye for detail? See if you can locate enough hidden clues to solve the crimes and become a Master Detective. Mystery Case Files: Huntsville™ provides players with a collection of intriguing mysteries and brain-teasers to solve. There are picture puzzles to ponder, strange crime scenes to explore, and much, much, more! With thousands of hidden clues it's a new game each time you play Huntsville™!
More info:
- It's a top rated game on Amazon, where it sells for $9 + shipping. Read some of the reviews at Amazon; it’s rated 4.5 of 5 stars.
- Steam sells the download version for $9.99: http://store.steampowered.com/app/50960/
- YouTube trailer for the game: http://www.youtube.com/watch?v=xNo8LpTbSro
I've played this, its really good if you like Hidden Object games. It's definitely one of the most popular of this type.