https://bugs.freedesktop.org/show_bug.cgi?id=71239
--- Comment #8 from Krzysztof A. Sobiecki sobkas@gmail.com --- (In reply to comment #5)
I can confirm setting MESA_GL_VERSION_OVERRIDE=3.2 MESA_GLSL_VERSION_OVERRIDE=150 gets the game to start for me
When I force only MESA_GLSL_VERSION_OVERRIDE=150 it also works, but I automatically switch to OpenGL 3.2.