Over the years, online casino tournaments have evolved into free tournament casinos for USA players. This is known as the Freeroll tournaments. Basically, what this means is that there is no buy-in and no re-buy. Usually, one would have had to pay up to $5 or more to enter a tournament and purchase a re-buy seat. Today, however, you can visit and join any one of our online casinos for US players and find daily, weekly, monthly, and special holiday Freeroll tournaments available for you to enter. Therefore, for your perusal and information, we are listing below all the US casinos that offer Freeroll tournaments. The slot games vary on a daily basis. The only exception is the holiday tournaments which utilize special theme-based tournaments, depending upon the holiday. If you enjoy competing with your fellow online players, we invite you to join and enter the hundreds of Freeroll tournaments available to you.