Join the European Space Agency's S.H.I.E.L.D. mission and discover why aliens aren't the biggest threat to us! In this science-based Earth defense simulator, you fight real cosmic hazards. Build, Monitor, Protect! Become Earth's Last Defense.
Join the European Space Agency's S.H.I.E.L.D. mission and discover why aliens aren't the biggest threat to us! In this science-based Earth defense simulator, you fight real cosmic hazards. Build, Monitor, Protect! Become Earth's Last Defense.
