Come play the sci-fi turret defense game of your dreams!!

As alien machines invaded Earth, humanity was forced to spend every last remaining resource to build a mighty fortress. Having been appointed as humanity's last commander, you must produce and control powerful mecha to fight against the Machina Legion and recapture your former homeland.
UPGRADE TURRETS on your fortress to bombard Machina and prevent them from breaching your fortress! SUMMON HEROES and use their skills accordingly to defend your fortress and destroy the enemy! UTILIZE TACTICS to face the Machina Legion in strategic warfare.
Commander, the fate of humanity's homeland is in your hands!