anemone       (requires ???, red screen)
atlantis      (requires OpenGL)
atunnels      (requires OpenGL)
biof          (requires OpenGL)
bubble        (requires XSetGraphicsExposures(), XCopyPlane())
bubble3d      (requires OpenGL)
cage          (requires OpenGL)
cartoon       (requires OpenGL)
dclock        (requires XCopyPlane(), XSetGraphicsExposures(),
               XSetFont(), XFreeFont())
decay         (requires ???, black screen)
deluxe        (requires ???, red screen)
fire          (requires OpenGL)
flag          (requires utsname.h)
fzort         
gears         (requires OpenGL)
glplanet      (requires OpenGL)
goop          (requires XCopyPlane(), XSetPlaneMask())
ifs           (requires XSetGraphicsExposures(), XCopyPlane())
invert        (requires OpenGL, C++)
kaleid2       (requires OpenGL)
lament        (requires OpenGL)
marquee       (requires XTextExtents(), XSetFont(), XFreeFont())
moebius       (requires OpenGL)
molecule      (requires OpenGL)
morph3d       (requires OpenGL)
noof          (requires OpenGL)
penrose       (many errors)
pipes         (requires OpenGL)
puzzle        (requires ???, black screen)
rubik         (requires OpenGL)
run           (requires SIGKILL)
sballs        (requires OpenGL)
sierpinski3d  (requires OpenGL)
skewb         (requires OpenGL)
solitare      (requires C++)
sproingies    (requires OpenGL)
stairs        (requires OpenGL)
strange       (requires XCopyPlane(), XSetGraphicsExposures())
superquadrics (requires OpenGL)
swirl         (requires XPutPixel(), ScreenCount(), BitmapPad())
t3d           (requires ???, black screen)
text3d        (requires OpenGL, C++)
text3d2       (requires OpenGL, C++)
xcl           (requires DefaultScreen(), gettimeofday())