Defend over 100 cities from an alien invasion and a deadly viral outbreak! Collect crystals, travel by train, upgrade your character, and master unique abilities. A dynamic 2D action game with strategy mechanics, an infection system, and character progression!Humanity faces a double threat. Alien creatures are invading our cities, while a mysterious virus is spreading rapidly through the population, turning citizens into infected, aggressive beings. As one of the last Defenders, you possess the ability to harness the power of crystals – the only known weapon effective against the