I believe they are all linked as i said i didnt know it either i had liked the games like when you do with
rtg rival mg and so on you join a few dif casinos if ones hitting you play there and move back and forth. I found out month or so later that they are all sister casinos in a email forward to me about player bonus abuse. But at the time i hadnt a clue you couldnt do that i asked them to plse place that issue in their web site and its very vague info for them. Not only that but i got the bonus soon as i made a deposit at these casinos wasnt like i had to email them for it or chat with them as they dont respond to either of that.
i just found this on everest
One Account per Player. Casino Management permits one active Casino Account per Player among all casinos operating GrandVirtual technology. We reserve the right to cancel any additional Accounts opened by an individual Player. In such an event, any winnings and/or promotional awards gained from additional accounts will automatically be forfeited.