Long time ago, the world of FreeWorld was a nice place. People invented machines, built gigantic structures and explored the world. But after some time the world of FreeWorld suddenly turned into a scary place to live. For some reason, monsters started spawning everywhere. Normal people were not able to live normally in this world anymore. They decided to build houses in trees, because monsters weren't able to climb up things. For some that worked pretty well, but others had problems getting food up there. A group of explorers had a different idea, they decided to build islands in the sky, far away from their hometown. They build a complete ecosystem on these islands and were able to live there by doing so. When they had a basic food source, they sent back some good explorers to try and find the others.