Fly vs Mite

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This game reflects what thousands of researchers, who use the fruit fly Drosophila for their research, experience every day: the life cycle of fruit flies in a tiny vial with food to maintain them as individual, often very valuable fly stocks over many decades. As you will experience, this occurs against all odds: genetically programmed death of a fraction of the eggs, mite infestations and infections with bacteria, mould or viruses. Instructions are given within the game. Play and see for yourself. If you want to learn more about fruit flies in research, look for the droso4schools website (

Notes and Credits

This game was programmed by Lucas P.-S. and his dad A. Prokop. All figures were made by ourselves and are available for download as svg files packed into a zip here: Most sounds were recorded by ourselves, except the explosion ("sonic boom" from: and the background sound ("Pyramidia" from: There are still a few glitches we failed to solve: when the mite kills larvae a rather appealing doppler effect may occur (likely due to clonal interference), and sometimes (though rarely) the mite does not switch into the right walking angle when turning corners. Please, let us know if you have ideas how to solve these or made respective changes.

Shared: 28 Aug 2015 Modified: 22 Sep 2015
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