I don't know why but it keeps crashing for me almost as soon as it opens. if I'm quick and skip it compiling the shaders before it crashes it'll usually work (on the lowest settings possible) until I enter the small red room after you grab the blue crystal from the floor (2:05 on the video). if anyone has any suggestions on how to fix this that would be greatly appreciated.
in this video it shows the furthest it has ever gotten, after entering the red room the game gets VERY lagy: