Very neat, I liked the pixel art and the different control options! I would recommend having a better control scheme (my instinct was always to use escape to go back instead of backspace), like maybe using number keys over each guard to select them, although it would be difficult to give up using the control key. Perhaps holding down Ctrl could bring up the control menu and a different number over each hedgehog, and then Ctrl + N would initiate control over Hedgehog N?