Online keno is a relatively simple game with simple rules and high chances of winning. Gamblers play keno using tickets with numbers. This lottery-like game originated in China. The game of keno was originally played with 80 Chinese characters. However,Â Â because US players donâ€™t have to decipher foreign languages and numbers to enjoy this classic timeless casino game it has risen in popularity. US Keno casinos have the game with the recognisable Arabic numerals we are familiar with. Because of its rich history some players may find the game of Keno slightly intimidating. However, we have put together rich guide containing keno rules, strategy and everything else American casino players need to know about Keno.