These are the best real money online casinos for slots:1 – DuckyLuck2 – Las Atlantis3 – SlotsandCasino4 – BetUS5 – Slots.LV Slots, slots, slots. And more slots. If you’ve logged in to any online casino lately you’ve likely noticed that slots… In short, all casino sites will offer online slots to play for real money. The best online casinos will offer demo versions of their real money slot games for gamblers to sample before committing funds to any slot game. One of the areas that online slots distinguish themselves from their brick and mortar counterparts is that you can play for free. Online casinos are able to offer free games because they aren’t limited in space like B/M casinos are. In other words, you’re not taking up space a paying customer could. It doesn’t cost them moved here anything extra to allow you to play for free, and they figure if you play for free long enough, you might convert to a paying customer in the future.