The map pool matters: A guide to betting on CS2 based on maps Counter-Strike esports has always been competitive, shaped by key factors like weapon choices, roles, and maps. The game has undergone major shifts across many games, but the map rotation is always a crucial part of the competitive circuit. KEY TAKEAWAYS The Active Duty map pool determines a big part of the series being played in CS2 events as certain teams prefer certain maps and avoid others.