It is designed well, and is rather challenging. However, 3D puzzles might be a little easier to do off the computer, simply because it is less difficult to visualize the final product in the real world. The second stage makes the program even more worthwhile, adding some intriguing games and a mystery to solve. Success requires good spatial skills. The mini-games are more teasers, and the video clips provide some historical information.
Graphics are exceptional.
Although the desire to complete the puzzle is sufficiently motivating, the fact that there are games and an adventure that open up only upon completion of the puzzle adds even more incentive to play the program. There is a huge amount of content here considering the 4 difficulty levels that provide different access levels for the exploration phase. Considering the 4 levels of play and the amount of content, this program is well worth the price. Puzzle lovers will find this a well-designed, challenging, and entertaining program, with stunning 3D graphics and an intriguing story line.