Cheapest I've seen this and elsewhere this is: -
The HUT £24.73
The professor of puzzle-solving is back, with a bigger adventure and even greater dangers than before. While investigating the death of his mentor Dr Schrader, the Prof. and his apprentice Luke are embroiled in a dangerous mystery concerning a box that is said to kill any who open it.
A train ticket for the Molentary Express is the Prof.'s first clue
Every puzzle has three levels of hints to use, so you should never get stuck
The Molentary Express has a whole host of peculiar people to meet and chat to
Even looking after your pet hamster is turned into a puzzle
As you board the Molentary Express you enter a new world filled with bizarre characters and over a hundred new puzzles to test your grey matter. From simple riddles and maths problems, to logic puzzles, optical illusions and block-sliding style brainteasers - no two challenges are ever the same.
There's always a helpful hint to ensure you never get stuck for long though and plenty of rewards for when you get them right - from keep fit gifts for your pet hamster to ingredients for the ultimate cup of tea. Training your brain has never been this much fun!
Puzzling variety: Over 150 brand new brain-busting puzzles to uncover and solve, with even more variety and surprises than last time.
Animated adventure: If you liked the cartoon style cut scenes in the first game you'll be amazed how much better, and numerous, they are here.
Special rewards: Every solved puzzle has its own special reward, from opening a lock on your journal to gaining new pieces to the Prof.'s camera or gifts for your pet hamster!
Trilogy treats: Unlock even more extra features with special codes obtained in the first game and from the third title in the series when it is released.
Online action: Even when you've beaten the main game you can still download one new puzzle a week with the special Nintendo Wi-Fi Connection option.