I just finished it and enjoyed it more than many other recent HOG-type adventures. Clear, clean graphics, a variety of puzzles and mini-games (none hard enough, but that is just me), an interactive Map, and you can dial in your level of difficulty far more than just clicking Easy, Standard or Expert. The "story" is based on the usual Missing Persons/Eerie Event premise, but this cliché doesn't detract because it has no real influence on the plot other than to generate a reason to search around and solve problems. No one jumps out at you or threatens you, nothing is timed, and no sense of doom colors the mood in spite of the kidnappings and disappearances.
It has quite a few varied environments, indoor and outdoor, with their own sorts of inventory challenges. Everything pretty 1-2-3 easy for the most part. (I think I am going to have to replay this game in the "Hurt Me!" mode, to make it more challenging.) No bizarre mind twists on how to use various pieces of inventory. LOTS of backtracking, but as has been noted already, the Map allows you to quickly do that backtracking without tedium.
I am about to start the Bonus game, and am pretty happy with my expenditure for this one. The game lasts a satisfyingly long time, although it does become slightly repetitive in terms of how to approach each new scene. At least as good a value for your money as going to see a current Hollywood film, and that is about what the game cost in the Two-for-One sale.