Bushbuck Charms, Viking Ships and Voodoo Eggs and Gumboots Australia are among the best Carmen Sandiego 'clones' after Brøderbund popularized the concept of 'edutainment' with this series.
In Bushbuck Charms, you have to race against the clock or against a computer opponent to retrieve treasures from around the world, while Gumboots is essentially Where's Carmen Sandiego in Australia, except now you're following some other criminal mastermind. Both are good games with excellent online help and educational value, and you (or your kids) will learn a lot about the geography of the world in hunts that span the globe.
