Some games route players from a number of realms by means of one login server. On a bodily stage, completely different realms are nearly similar, and each has its own group of players, which can't usually talk with gamers on other servers. For some folks, these dungeons, or raids, are the purpose of the game. Game play can slow to a crawl for players with sluggish processors or poor graphics processing energy, notably in high-traffic areas. Dungeons aren't essentially underground -- castles, sp...