8 years ago, I stumbled over a small game called Gravity for my HP48 calculator (it should still be available at It fascinated me to see the influence of gravitation onto an object in motion, so I decided to write my own version for Windows. Out of this one evolved D.S.V. Gravity, the "story" of an exploration star ship, of which JGravity is the fourth version. Enjoy the beauty of mathematical simplicity and observe the effects of the Chaos Theory...

Play JGravity!

Information! JGravity needs an installed Java virtual machine!

Game Options

Enter a number and click. The same number always returns the same game!


Rules / Explications

Mission Descriptions

Play JGravity online