Weekly Promotions. Weekly Promotions. MONDAY- Ladies Day. All female Players Club Members receive $10 Free play after earning 5 points on their. At Grand Lake Casino in Grove, OK, we always have an exciting promotion going on. Check out what's new here, north of Grove, Oklahoma, on Highway. Casino Promotions. header- casino promotions. Current Promotions. Slingshot GiveawayRead More». Dishing Up Something SpecialRead More». Way Back.