SimpleSpringSimulation Purpose it's a simple spring animation main base on css How to use Click on green Clone or download button and choose Download ZIP. Find the downloaded zipped file on your pc and extract it. Go to folder. Inside you will find a file named index.html . Double-click on index.html file and your browser will open (or maybe just a new tab) and the game will start. If for whatever reason your browser does not open, right click on index.html file go down to Open with and choose your web browser. This will open the browser and launch the SpringSimulation. Once you are done playing, you can close the tab in your browser. Try out SpringSimulation Demo:- SpringSimulation Demo SpringSimulation If you have any issues with the game feel free to let me know! If you are more interested, check out the collection of DSDmark .