Press play to play. If the checkbox is checked, it will automatically give the answer. Otherwise, pressing the answer button gives the answer.
If you want to play the game offline on your computer or you don't have Tcl/Tk, you can download a Windows executable here.
You can download the Tcl/Tk source text for the example by right-clicking here.
Find out what happened when Bill Gates played the game here.
Other puzzles. This page is maintained by Felipe Voloch
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