由瑞典的MindArk公司制作的科幻网络角色扮演游戏《Project Entropia》(暂译为《安特罗皮亚计划》)与其他MIVlORPG之间的最大区别在于,它把现实的货币经济体系与游戏的虚拟社会紧密地结合在了一起,对于玩家来说,边玩边赚钱已不再是可望而不可及的梦想。正如MindArk公司市场部经理佩特雷·桑德斯托罗姆所说:“如果有玩家在一年内赚到了100万美元,我们是不会感到吃惊的。” The biggest difference between the science-fiction online role-playing game “Project Entropia” (produced by MindArk in Sweden) and the other MIVlORPGs is that it combines the real monetary economy with the game’s virtual Society is closely integrated together, for the players, playing while making money is no longer an elusive dream. As Patra Sanderstroom, marketing manager for MindArk, puts it: “We would not be surprised if any player made $ 1 million in a year.”