The $130 million renovation is complete. Seneca Buffalo Creek Casino is now open, and offers a whole new realm of possibilities to guests. Once a slots-only casino that opened in 2007, this impressive new gaming complex now features over 800 of the most sought after slots. But that’s just the beginning. Tables Games are here! Play all your favorites, such as Craps, Blackjack, Roulette, Three Card Poker and more.