* I played this game in a Windows 10 environment. (64-bit)
* Bought my version at 'Big Fish Games.' Played perfect on modern hardware. Buy it here: Heliopolis Prophecy
* Don't forget to play it in 640 x 480 px. resolution.
* You can use the wrapper 'dgVoodoo' to make the mouse in the main-menu even more smooth if you want.