Tribal casinos may operate casino-style gaming, including slot machines and. Make your casino vacation a sure bet with Expedia and. Discover resources and information about tribal gaming establishments in New Mexico. No Smoking Facility. Must be 21+. New Mexico's premier mountain resort awaits! DISCOVER NORTHERN NEW MEXICO AT ITS BEST! The casino is open every day. . Browse our selection of 9 Casino hotels & resorts in Gallup, NM for the ultimate stay & play vacation. Sunday - Thursday: 8 AM - 2 AM | Friday. Experience the best of New Mexico casino resorts at Inn of the Mountain Gods Resort & Casino. Explore the tribal casinos links page at NMGCB. New Mexico has 24 tribal casinos1 and five racetrack casinos.