Caught in a seemingly endless loop, citizens from either side of a grueling war must set aside their differences as a mysterious alien invasion threatens all of humanity. Banding together to form a resistance, ordinary people will be forged into heroes as they repeatedly fight and die in turn-based tactical battles. Explore the city in real-time, acquiring new skills and powerful weapons as players unravel the mystery at the heart of the invasion in a bid to escape the time loop and save the world.