Check out what Danny Nicholson from The Whiteboard Blog found as a replacement for Geosense...
It's the Travel IQ Challenge from Travelpod.com. Since they allow you to embed the game into any website, I'm providing the game on one of my pages so it's free from advertisements. I'm certainly glad Danny got back from his vacation so he could share this. Don't forget to check out his blog as well as his company's website, Think Bank Ltd, that contains all sorts of great resources for your interactive whiteboard.
Here's a screenshot of the game:
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