Most of that state only has to exist on the server, which in turn doesn&#x27;t really have to figure out visibility and doesn&#x27;t necessarily even need textures.<p>The world pieces are a very specific set of permutations, which could easily be loaded in to a graphics card&#x27;s memory at the start of the game. All you are really tracking are which pieces are where, and by the game&#x27;s nature, there aren&#x27;t that many pieces or positions they can be in...