Game Pass is a subscription service by Microsoft that offers access to a vast library of over 100 high-quality games, including Xbox exclusives, indie titles, and third-party releases. Subscribers can play these games on their Xbox console, PC, or mobile device via cloud streaming. The service frequently adds new games, including day-one releases of major titles, making it a must-have for avid gamers who want to explore a diverse range of games without purchasing them individually.