I just downloaded the game and tried to play locally. I chose "training" in the lobby and clicked start, the window went black with "Loading.." in white text for half a second and then the whole game shut down.
I looked around here and updated my display drivers and Java, but now the game freezes immediately after the login screen. I get the lobby window but the program has stopped responding.
log_init.txt says this after a bunch of info lines:
SEVERE [Main.logError] java.lang.IllegalStateException: Function is not supported
at org.lwjgl.BufferChecks.checkFunctionAddress(BufferChecks.java:64)
at org.lwjgl.opengl.GL11.glMatrixMode(GL11.java:1961)
at org.newdawn.slick.opengl.renderer.ImmediateModeOGLRenderer.initDisplay(ImmediateModeOGLRenderer.java:46)
at com.turborilla.mule.view.MuleGameContainer.<init>(Unknown Source)
at com.turborilla.mule.Main.main(Unknown Source)
I have a Radeon 4870HD so it should support opengl?