Purchased due to lack of other games, but glad I did.
I purchase Mercury Meltdown with the intention of getting my wife off my back about the purchase of the Wii (or plastic paperweight as she calls it) and, as she sometimes shows a passing interest in puzzle games though she might even play on it!
The aim of each level is to get your blob of mercury to the finish. Doing so increases your meter to unlock the next lab. There are 8 labs in total, each containing 16/17 levels.
There are 3 parts to aim for on each level if you want to 'fully' complete the game. Getting 100% mercury to the finish, collecting all bonus items, and finishing within the par time.
These 3 things don't have to be completed in 1 go (thankfully!) and it can take a few attempts to get them all done, but at no time does this feel like a chore. Completing all 3 task on each level will fill the meter to unlock the next lab quicker.
The game fits with the Wii remote perfectly. The sensitivity setting is just right. Any time I loose any mercury I know it's a mistake I made rather than the game. At the start the game eases you in, with the first couple of labs getting you used to the tilt and camera controls. Some of the later levels can get vey taxing . I've often spent a good few minutes just previewing the level before I get started.
The graphics are crisp and clear and fit perfectly with this type of game, I actually think they're pretty good. It might not compare to Motorstorm, but then it doesn't need to.
The sound is very good, with suitable beeps and whooshes to fit in with what is going on on screen. I wouldn't sit down and listen to the music, but I have found myself occasionally nodding to a track.
This game goes for £39.99 in the shops, but with a bit of online searching I managed to find it new for £22.99 (and no, not from ebay). I'm glad I managed to find it cheaper as I think £40 is a bit steep for this game.
Overall I'm really glad I bought this game and have had (and continue to have) fun with it. I wouldn't recommend you purchase a Wii just to play it, but as an addition to your collection its great.