That is a solution. But only as of now, I don't see lots of users complaining or asking duelbits to add more altcoins. Maybe if there's enough users that need it, maybe that's the time they'll consider this request. Or maybe they're working on it now.
What monthly bet are you talking about?
It's not that users need to demand other altcoin but it is instead best to be ready everytime , We are encouraging other gamblers to enter and play iN Duelbits site
things that needed also to be consider many coins as possible because we already Knew that Many gamblers preferred using other coins specially those who has small transaction fee like Tron, Doge and XRP though Ripple is a bit of trouble now and many sites are trying to prevent from engaging for their own safeties .
+1 adding more coins will be better if it is done not by users request but it should be because the casino want to expand the service and try to get more players.
Of course duelbits may do a survey to know which coins is the most used coin in gambling industry or do a pool to know which coins to add.
No need to add many more altcoins, 1-2 more coins is more than enough.