games/opensurge: does not build, schedule for removal on 2018-02-01
CMakeFiles/opensurge.dir/src/entities/particle.c.o: In function `particle_update_all':
particle.c:(.text+0x113): undefined reference to `image_height'
particle.c:(.text+0x126): undefined reference to `image_width'
particle.c:(.text+0x1f0): undefined reference to `image_width'
particle.c:(.text+0x20f): undefined reference to `image_height'
particle.c:(.text+0x296): undefined reference to `image_width'
particle.c:(.text+0x2b2): undefined reference to `image_height'
collect2: error: ld returned 1 exit status
and other files