This paper clarifies the distinction between unauthorized game copies and official private servers, explains how to access official content for free, and summarizes recent updates.
: You can now select more than one map to override the default rotation. tds private server free upd
While some towers are locked behind Robux payments (e.g., the Scout rework skins or specific gamepasses), many "meta" towers are free if you invest time: tds private server free upd