Take on the role of commander and protect Earth from the relentless Drone invasion in this exciting tower defense game. Strategize and strengthen your defenses by utilizing a variety of towers, abilities, and elemental upgrades. It's up to you to lead the charge and save humanity from destruction. Build 16+ Towers to place all with their own upgrades. Attack Towers deal maximum damage. Utility Towers provide support such as cash boosts and perks to nearby Towers. Use Powerful Abilities Call in an airstrike, summon a snowstorm, or give towers temporary boosts to quickly turn the tide. Harness The Elements Place Towers in Elemental Zones and upgrade them to their ultra-powerful Fire, Ice, or Lightning variants. Dominate in Conquest Mode Manage resources and fight for vital strategic territories in the non-linear single-player mode! Command epic battles against multiple enemy types Defeat 'Boss Drones' and earn medals for each map 30+ detailed maps to test your strategies on Traditional Tower Defence gameplay plus the innovative Conquest mode 3 difficulty levels to suit players of all abilities Single-player offline gameplay means you don't need an internet connection to play!