Earth faces annihilation! Command humanity's last stand in this epic tower defense battle. Deploy diverse, upgradable turrets with unique powers. Strategically assemble them to counter relentless alien waves. Empower your commander with powerful chips, weapons, and thrilling roguelike upgrades chosen mid-battle. Victory grants crucial resources to strengthen defenses. Unite globally in challenging Expeditions to battle colossal alien bosses. Fight smart, upgrade relentlessly, and lead Earth to survival!