Crystal Flight by Jeff Weeks
http://www.geometrygames.org/

Creative Commons License CC-by-nc-sa

Please use a good graphic card to run the program smoothly (especially in high resolution). 

Windows:
Kristalle.exe -hidemouse -diamond
Kristalle.exe -hidemouse -fluorite
Kristalle.exe -hidemouse -quartz
Kristalle.exe -hidemouse -hyp

with -hidemouse you can hide the mouse for touch screen operation (for home use just skip it).

with -stereo you can display anaglyphic 3D stereo.
For examepl Kristalle.exe -hidemouse -hyp -stereo


Linux/Ubuntu
Use Wine and start the program running the shell scripts.
