Here’s the new log.
Sris-iMac:Downloads harsha$ java -jar tech\ demo.jar
[LAUNCHER] file 'META-INF/MANIFEST.MF'
[LAUNCHER] file 'rg/launcher/Creator$1.class'
[LAUNCHER] file 'rg/launcher/Creator$2$1.class'
[LAUNCHER] file 'rg/launcher/Creator$2.class'
[LAUNCHER] file 'rg/launcher/Creator$3.class'
[LAUNCHER] file 'rg/launcher/Creator$4.class'
[LAUNCHER] file 'rg/launcher/Creator$5.class'
[LAUNCHER] file 'rg/launcher/Creator$6.class'
[LAUNCHER] file 'rg/launcher/Creator$7.class'
[LAUNCHER] file 'rg/launcher/Creator.class'
[LAUNCHER] file 'rg/launcher/Launcher$1.class'
[LAUNCHER] file 'rg/launcher/Launcher.class'
[LAUNCHER] file 'lib/jars/CodecIBXM.jar' (EXTRACTING)
[LAUNCHER] file 'lib/jars/CodecJOgg.jar' (EXTRACTING)
[LAUNCHER] file 'lib/jars/CodecWav.jar' (EXTRACTING)
[LAUNCHER] file 'lib/jars/LibraryJavaSound.jar' (EXTRACTING)
[LAUNCHER] file 'lib/jars/LibraryLWJGLOpenAL.jar' (EXTRACTING)
[LAUNCHER] file 'lib/jars/SoundSystem.jar' (EXTRACTING)
[LAUNCHER] file 'lib/jars/jbox2d.jar' (EXTRACTING)
[LAUNCHER] file 'lib/jars/jinput.jar' (EXTRACTING)
[LAUNCHER] file 'lib/jars/lwjgl.jar' (EXTRACTING)
[LAUNCHER] file 'lib/jars/rg.jar' (EXTRACTING)
[LAUNCHER] file 'lib/natives/OpenAL32.dll' (EXTRACTING)
[LAUNCHER] file 'lib/natives/OpenAL64.dll' (EXTRACTING)
[LAUNCHER] file 'lib/natives/jinput-dx8.dll' (EXTRACTING)
[LAUNCHER] file 'lib/natives/jinput-dx8_64.dll' (EXTRACTING)
[LAUNCHER] file 'lib/natives/jinput-raw.dll' (EXTRACTING)
[LAUNCHER] file 'lib/natives/jinput-raw_64.dll' (EXTRACTING)
[LAUNCHER] file 'lib/natives/libjinput-linux.so' (EXTRACTING)
[LAUNCHER] file 'lib/natives/libjinput-linux64.so' (EXTRACTING)
[LAUNCHER] file 'lib/natives/libjinput-osx.jnilib' (EXTRACTING)
[LAUNCHER] file 'lib/natives/liblwjgl.jnilib' (EXTRACTING)
[LAUNCHER] file 'lib/natives/liblwjgl.so' (EXTRACTING)
[LAUNCHER] file 'lib/natives/liblwjgl64.so' (EXTRACTING)
[LAUNCHER] file 'lib/natives/libopenal.so' (EXTRACTING)
[LAUNCHER] file 'lib/natives/libopenal64.so' (EXTRACTING)
[LAUNCHER] file 'lib/natives/lwjgl.dll' (EXTRACTING)
[LAUNCHER] file 'lib/natives/lwjgl64.dll' (EXTRACTING)
[LAUNCHER] file 'lib/natives/openal.dylib' (EXTRACTING)
[LAUNCHER] file 'img/background.png'
[LAUNCHER] file 'img/laser.png'
[LAUNCHER] file 'img/player/blue.png'
[LAUNCHER] file 'img/player/red.png'
[LAUNCHER] file 'img/player/flame.png'
[LAUNCHER] file 'img/icon/icon.png'
[LAUNCHER] file 'img/icon/icon-large.png'
[LAUNCHER] file 'img/enemy.png'
[LAUNCHER] file 'poly/player.poly'
[LAUNCHER] file 'sounds/laser.wav'
[LAUNCHER] file 'Background.class'
[LAUNCHER] file 'Enemy.class'
[LAUNCHER] file 'Flame.class'
[LAUNCHER] file 'Fps.class'
[LAUNCHER] file 'Laser.class'
[LAUNCHER] file 'Main.class'
[LAUNCHER] file 'Player.class'
[LAUNCHER] file 'font.ttf'
[LAUNCHER] extracting lib/jars/CodecIBXM.jar
[LAUNCHER] extracting lib/jars/CodecJOgg.jar
[LAUNCHER] extracting lib/jars/CodecWav.jar
[LAUNCHER] extracting lib/jars/LibraryJavaSound.jar
[LAUNCHER] extracting lib/jars/LibraryLWJGLOpenAL.jar
[LAUNCHER] extracting lib/jars/SoundSystem.jar
[LAUNCHER] extracting lib/jars/jbox2d.jar
[LAUNCHER] extracting lib/jars/jinput.jar
[LAUNCHER] extracting lib/jars/lwjgl.jar
[LAUNCHER] extracting lib/jars/rg.jar
[LAUNCHER] extracting lib/natives/OpenAL32.dll
[LAUNCHER] extracting lib/natives/OpenAL64.dll
[LAUNCHER] extracting lib/natives/jinput-dx8.dll
[LAUNCHER] extracting lib/natives/jinput-dx8_64.dll
[LAUNCHER] extracting lib/natives/jinput-raw.dll
[LAUNCHER] extracting lib/natives/jinput-raw_64.dll
[LAUNCHER] extracting lib/natives/libjinput-linux.so
[LAUNCHER] extracting lib/natives/libjinput-linux64.so
[LAUNCHER] extracting lib/natives/libjinput-osx.jnilib
[LAUNCHER] extracting lib/natives/liblwjgl.jnilib
[LAUNCHER] extracting lib/natives/liblwjgl.so
[LAUNCHER] extracting lib/natives/liblwjgl64.so
[LAUNCHER] extracting lib/natives/libopenal.so
[LAUNCHER] extracting lib/natives/libopenal64.so
[LAUNCHER] extracting lib/natives/lwjgl.dll
[LAUNCHER] extracting lib/natives/lwjgl64.dll
[LAUNCHER] extracting lib/natives/openal.dylib
[LAUNCHER] command: /Library/Java/JavaVirtualMachines/jdk1.8.0_20.jdk/Contents/Home/jre/bin/java, -cp, .rg-data/lib/jars/*;/Users/harsha/Downloads/tech demo.jar, -Djava.library.path=.rg-data/lib/natives, Main, Error: Could not find or load main class Main
Sris-iMac:Downloads harsha$