There are a great number of slots machines to be played online. These days we can enjoy simple classic 3 reel, single payline slots and feature rich video machines. There are slots on different themes including adventure, crime stories, history, holiday and many more. Many online casinos offer various promotions to encourage players to spin their slots. There are lots of deposit bonuses as well as no deposit ones. All this adds to gaming experience and give us pleasant feeling that casinos care of us and we are playing for free.