Crimsonland apk is a survival simulation game. The human society has been destroyed by nuclear war, the world has become a ruin, and you will explore this wasteland world as a survivor after the nuclear war. It has terrible here. Mutant monsters, and you will open your refuge in the underground world, you will encounter a variety of survivors, recruit them to your refuge, and also go out to explore to get more Living resources. Constantly build and expand your underground world and help more survivors survive.