According to the email that accompanied this little game, you should be able to complete it within 3 minutes, if your IQ is above 50.
The idea is to move all the frogs so that the green frogs change positions with the brown frogs.
The frogs may only move one step at a time, or jump the frog in front of them.
My two workmates couldn’t solve it. It only took me a couple of attempts, so I can rule over them with my IQ of greater than 50!
Let me know in the comments section how you went…
(For those on Windows PCs that rightly distrust downloads because it seems that everything you download corrupts something on your computer, I’ll put your mind at ease as best I can: the link is to an Excel workbook that contains the game in a Flash version. I downloaded on my work PC and my home Mac and nothing bad happened on either.)