In the largest casinos in Las Vegas and other casinos around the world the largest area is probably given over to slot machines in their hundreds and sometimes thousands. An online casino does not require space so the same comparison cannot be made but most online casinos certainly have a very wide selection of casino slots and indeed being online makes playing slots very much easier. In a land based casino the slots are limited by the number of winning lines so although most casino slots are either 3 or 5 reels and the symbols per reel can vary it is very normal for winning lines to run from left to right which means that the left reel must be part of a winning combination. Modern slots have moved a long way from their origins of three reels and one winning line across the middle, although cherries and the liberty bell still feature on many slot machines; today machines often have as many as 5 reels and 5 symbols showing in the play window which in theory gives 3125 possible combinations although the maximum winning lines is normally at 100. “Cashapillar” is a typical example of such a slot machine but more normal are 5 reels and 3 symbols showing which gives 81 possible combinations and winning lines are generally between 15 and 25. Probably the most winning lines is provided by Ladbrokes on their “Arctic Fortune” casino slot which is a 5 reel 4 symbols machine giving 1024 possible combinations and you can bet on them all. Online casino slots are great fun and with a huge variety of symbols including your favourite film characters you are bound to find something that amuses you.