Play OS

Play OS – The Home of Competitive Gaming Play One Up has evolved into Play OS, offering a bigger, better platform to compete and win. Everything you loved about Play One Up is now part of a more advanced system designed to elevate your competitive gaming experience. With Play OS, you can join tournaments, compete for exciting prize pools, and withdraw your winnings instantly and securely (*subject to verification and eligibility). Whether you're grinding through daily tournaments, climbing the leaderboards, or challenging your friends, Play OS is where top gamers come to play. We're also introducing Play NBA 2K, a brand-new competitive experience within Play OS. Take on players in exclusive NBA 2K tournaments, Quick Rounds, and celebrity-hosted events, all powered by Play OS. More games, bigger tournaments, and new ways to compete await. Play OS is built for gamers like you. HOW IT WORKS • Sign up to explore live tournaments. • Join tournaments or challenge your friends. • Dominate the competition and win big prizes. • Withdraw your winnings instantly and securely (*subject to verification and eligibility). WHAT TO EXPECT • Skill-based matchmaking for fair competition • Instant, secure deposits and withdrawals • Daily, weekly, and championship-level tournaments • A seamless gaming and payment experience • Official partnerships for exclusive competitions The competition never stops on Play OS. Are you ready to level up? Download now and start playing. Disclaimer: Play OS complies with all applicable state and federal gaming laws. Pay-to-enter tournaments are available only in select U.S. states and are subject to local laws and regulations. Players must be 18 or older. All competitions are subject to terms and conditions. Prize awards are based on performance and may be subject to eligibility criteria. Availability may vary based on location and legal requirements.