Hi everyone, I have the latest Commandos 2 version from GOG.com and I would like to play with some friends who have the Steam version. They can play through Hamachi and I can see their games on the TCP/IP game selection screen but every connection attempt on my part ends with a generic connection error message.

I have read that this error might be caused by the uPnP option on my router, but I would like to confirm first that the GOG version is compatible with the Steam version (both are v1.20).

Thank you