Requirements Java 1.5 Runtime or later. http://www.java.com/en/download/manual.jsp Java Bindings for the OpenGL API (JSR-231-1.1.1a binaries for your Operating System) https://jogl.dev.java.net/servlets/ProjectDocumentList?folderID=11509&expandFolder=11509&folderID=11508 Decompress lib files in the game files directory*. * So you have all these files in the same directory (for Windows XP): gluegen-rt.dll, gluegen-rt.jar, jogl.dll, jogl.jar, jogl_awt.dll, jogl_cg.dll, XCubeR01.properties and XCube-R01.jar. Run the XCube-R01 JAR file (in Windows run run-win.bat) or execute from the game directory c:\gamedirectory\java -cp xcube-r01.jar mx.com.xcube.XCube http://www.axelproductions.ucoz.com/ axel.peralta@gmail.com