Club Royale Free Cruise Offers - do they keep coming if you "miss" one?

I've been offered a free balcony cruise in December after I went on a cruise earlier this month and played a decent amount in the casino.

Can I make timing work? Yes. But it would also be a solo cruise and I wasn't really planning on another vacation since I'm taking a month-long vacation early next year. It's also "free", but still a few hundred dollars in fees, taxes, gratuities, and other expenses I wouldn't normally spend.

Question is, if I let this one go (expires 11/1), will I be getting another balcony room offer anytime soon, or do these usually only come soon after your previous sailing? I have a few interior room offers, but they're either sailing from a port that I would need to fly to (don't really want to do that) or dates that wouldn't work.