Have you wondered what it would be like to be an insect? To scour for food everyday? To flee from predators because you have no hope of defeating them? To fear rain itself? It's a concept foreign to us humans, but is daily routine for 99% of life on planet Earth.
Rain World is unforgiving. Much like nature it cares little for you. This won't be for everyone. But for others Rain World creates an ecosystem & feeling of survival so convincing it's hard not to be entirely absorbed.