DeGroot Keep is an official Medieval Mode Attack/Defend Control Point map that was released with the Australian Christmas update on. Community DeGroot Keep strategy. Degroot Keep oistatsevilla16.com Basic information. Map type, Control Point. File name: cp_degrootkeep. DeGroot Keep. DeGroot Keep the outside of the castle TF2. Basic Information. Map Type, Control Point Medium Health pickup medieval mode TF2 x 2.