Open a terminal (strg alt t) and type:If I used the right commands (it was the command whit lib ? ) it’s now 4 fps in the minimal testmode whit CPU in „performance „ mode..
This should do the trick. Without gl4es, OpenGL games (which most of the older linux games are) can't use the GPU. So they will become very slow, since the CPU is not good for rendering games.gl4es minetest