Blackstone - Renju playing program
Blackstone is not free (Price 40 USD)
You can download arhivated Blackstone .
Unarj it and ask me firstname.lastname@example.org about serial number for installation and inform me from which country you are and how you prefer to pay for it.
After receiving serial number you need send me three numbers including serial which you receive after installation.
Only after receiving your payment you can receive by e-mail pasword to activate Blackstone.
Every time when you upgrade your computer you need re-install Blackstone with your serial number and receive new pasword from me !