A loyalty badge in CS2, also known as a service medal, is a prestigious insignia that players can earn through consistent participation in the game. These badges symbolize a player's dedication and commitment to Counter-Strike: Global Offensive. Each year, players who reach a certain level of experience and playtime are rewarded with a loyalty badge, showcasing their loyalty to the game and their continuous support. These badges serve as a mark of honor and recognition within the CS2 community, demonstrating a player's long-standing engagement and devotion to the game.