Demons have invaded The Earth! Make Our Earth the strongest! Earth Defense is an incremental tower defense game with cute characters. Control the Earth. Make the Earth Perfect with your choices! Don't let down humanity by a single defeat. What doesn't kill you only makes you stronger. With permanent upgrades, Our Earth is only going to be Stronger! The Earth Features - A Tower Defense that is easy, straightforward, and highly engaging. - Unlocks Earth's new abilities with the resources you gathered. - Collect various Skill Cards. It will make significant changes fast. - Recruit researchers from all around the world to study diverse abilities. - If you are strong enough, leave it idle to become even stronger!