More than 150 of challenging levels available
Discover 12 different optical devices
Soothing ambient soundtrack
OS: Windows XP/Vista/Win7/Win8
CPU: 1.4 GHz
RAM: 514 MB
Hard Drive: 61 MB
UPDATED! New Version! November 04th, 2014.
This update includes the following:
1) Game can now exit even when in fullscreen mode.
2) Tutorial levels only available on the first launch.