You should be able to go “really full screen” with GraphicsDevice.setFullScreenWindow (window). However, due to bugs in the most popular Java runtimes, this may not work on systems running certain “broken” versions in the 1.6 = Java 6 series. I haven't tested this thoroughly, so it may be that the patch hasn't propagated out to the general populace, yet. https://bugs.java.com/bugdatabase/view_bug?