Blue Libra is available for PC Windows and MacOS for only 4,99$ or 3,99 Euro + VAT.

Buy PC Windows version
Buy MacOS version
Buy Linux version
Buy iPad version (3,99$)
Buy iPhone version (1,99$)
Android version - discontinued

System requirements:
Operating system: Windows XP, Vista, 7 or MacOS 10.6 or newer
Processor: 1,0 GHz (32 or 64 bit for Windows, 64 bit for MacOS)
RAM: 256 M
Graphics card with 64 Mega or more
If you are not sure if you can run the game, please download the demo first