Octopus Invasion: Idle Game

Command a swarm of evolving cephalopods and conquer the surface in this fast-progress idle action adventure. Build an undersea empire, raid islands and fleets, and grow stronger even while offline. Unlock mutations, craft relics, and crush colossal bosses as your tentacled army spreads across the map. Smooth idle gains meet punchy active battles, with deep upgrade paths, event challenges, and a satisfying sense of unstoppable invasion.