Check for a readme.txt inside the folder for specific version notes or credit to the creators.
: Look for a .app file. You may need to right-click and select "Open" to bypass security warnings for unidentified developers. Troubleshooting : File: Demitransference-v02.zip ...
If the game fails to launch, ensure you have the latest or Java runtimes installed, depending on the engine used. Check for a readme