When you are doing a bit of surfing around the internet in search of sites to play ken you will come up with quite a bit of results where you can play at what are considered free sites. You may also run into casinos that allow you to play their keno games without having to purchase credits. While not exactly free in the terms of the word, most of these sites offer you options that permit you to play free keno for a short period of time. The players can play free keno games of a value determined by the bonuses.
The owners of these sites provide the players a chance to get acquainted with the game. They know that once a person is interested he will pay cash to play on their sites and give the owners an opportunity to make money. One cannot win all rounds. This is why the owners of these gambling portals allow the new visitors the chance to play free keno for some time.