Please mark accelerator3d-0.1.1.ebuild stable.
x86 stable
It fails here on amd64: $ accelerator Traceback (most recent call last): File "/usr/games/bin/accelerator", line 1640, in <module> r, e = DisplayInit() File "/usr/games/bin/accelerator", line 277, in DisplayInit glLightModel(GL_LIGHT_MODEL_COLOR_CONTROL_EXT,GL_SEPARATE_SPECULAR_COLOR_EXT) # GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR NameError: global name 'glLightModel' is not defined
close enough