.  This error is quite strange, it means that LWJGL is not able to determine the refresh rate of the current display mode ... anyway, I made a fix so that it will use a default value in this case. I uploaded new jars so if you could test again it would be great ! Thanks  can you please tell me what is your video card ? I moved to the ARB extension instead of the core implementation for the FBOs so the game now runs with an opengl 0.0 card ( 0.0 because of the shaders ) ... but I would like to know if the game has chances to run smooth on such cards. I will upload an update soon (maybe today) so that you'll be able to try  