hello! in order to run this game, you'll need to install java. here are the full instructions:
This game is an executable .JAR file. In order to run it, you must have Java installed on your computer - be sure it's the latest version! (You can get it here: https://www.java.com/en/download/) From there, it should be as simple as double clicking on the program; if that doesn't work, please look up how to run a .JAR executable on your operating system. Check the README for controls and credits!