Complex sentence: Wurm Online is a 3D Massively multiplayer online role-playing game that was originally produced by Mojang AB in Sweden that allows players to choose between a PvP game and a non-PvP game based on different servers.
Split into simpler sentences: Wurm Online is a 3D Massively multiplayer online role-playing game that was originally produced by Mojang AB in Sweden. It allows players to choose between a PvP game and a non-PvP game based on different servers.