economic sf wargame set asteroid belt year basic game player control mining company asteroid ore gas highly dangerous shard ct contraterrene matter antimatter lift seetee novel jack williamson commodity trade credit major planetoid station vicious fight break control particularly lucrative asteroid player agree win condition winner player million million million credit wealthy player set timespan elapse playing time accordingly completely arbitrary hour probably short like sane numberin advanced game additional player play peace keep force pkf role ironically stop fighting suppress revolt conflict price ore gas low pkf player achieve partial victory price commodity credit end game decisive victory price commodity credit

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