Read more Dakota Sioux Casino will open Dakota Nation Sports Book on April 27 Ap-ĭakota Nation Gaming Enterprise has announced the grand opening of its Dakota Nation Sports Book is scheduled for 3pm April 27 at the Dakota Sioux Casino. BOVADA CASINO News Headlines Rosebud Casino's new compact allows more slots Novem-Ī new gaming compact between the state of South Dakota and the Rosebud Sioux Tribe allows the Rosebud Casino to operate up to 1,000 slot machines.