First, no refunds.
Second, You have a higher risk of getting a security-compromising virus from browsing dodgy research sites than you do by forwarding 32 ports for Blockland. I don't know what game you were playing that allowed inbound connections to your computer without port forwarding, but they're working some kind of witchcraft there.
Third, You can still share your stuff by building on other people's servers or posting your save files in the gallery.