Here is an animated GIF demo of "Which Number is Increasing?"

You can restart the above animation by clicking on the "reload" button in your browser.

Players can control how fast the numbers appear on the screen by using the horizontal scroll bar at the bottom of the screen.

The object of the game is to click your mouse on the section with the answer to the question at the bottom of the screen.

Different skill levels show different difficulties of questions.
Can you figure out what the answer is in the question above?

If so, can you figure out what the other sections of the screen are going up by?

Questions about "Which Number is Increasing?" can be directed to Phil Shapiro. The requested shareware fee is $10. School site licenses are available for $7/computer.