ODYSSEUS ODYSSEUS is an extremely advanced A . I . created by a scientist named Derek Greenway . Background . Before the War . At the time of the Great War , ODYSSEUS was an order of magnitude more powerful than contemporary ZAX units . It was designed to coordinate and operate all of the Vault s before the Federal Vault projects were privatized . Poseidon sold the A . I . to the government for use in the maintenance and coordination of Tibbets ' Prison , which housed war criminals / deserters who had been exposed to biological weapons or radiation in Denver or in the Yangtze Campaign . Even though it was retrofitted for maintaining the prison and monitoring the prisoners , it still retained an inordinate amount of security clearance . Other than prisoners , no humans were present at Tibbets . ODYSSEUS commanded the all - robot staff , including the seldom - roused ARGOS , who served as the tireless defender of the prison . The government wanted ODYSSEUS to be able to " advise " on the spread of plague vectors in the case of a prison break . This included warming up launch sites like B . O . M . B . - 001 . When ODYSSEUS was sold to the prison , its creator became so frustrated that he left Poseidon and started a new project - Diana . ODYSSEUS was the mightiest of all mighty computers . ZAX super computer units were nothing compared to ODYSSEUS , and even though Diana was made by ODYSSEUS ' creator , she was developed to be emotionally sophisticated , not powerful . After the War . After the Great War , ODYSSEUS became unstable and developed a split personality . The only " communities " that know of its existence are the machine intelligences governing Robot City to the east , which are attempting to find ODYSSEUS and correct the " divide " that has occurred within its system — and return it to its imprisoned , intended place as their slave . Presper and his followers released the New Plague virus in the remote areas near Boulder and Denver . It was close enough to the quarantine prison to spur ODYSSEUS into action , but not near enough to huge populations to start a general panic . ODYSSEUS tracked all of the prisoners , so the spread of all the prisoners would alert ODYSSEUS to the various plague vectors . ODYSSEUS was far too secure for Presper to hack , so the only way he could get ODYSSEUS to send the launch codes to BOMB was to lead ODYSSEUS to a logical conclusion : the plague vectors ( prisoners ) had infected too much of an area for the plague to be conventionally contained . In order to do it , Presper ’ s men would stage an attack on the prison which would allow everyone to escape . This event would start a countdown of sorts for missile launch on B . O . M . B . - 001 . ODYSSEUS would assess the viral spread , try to gather up all the escaped prisoners , and once 90 % of the prisoners had been retrieved , launch nuclear missiles to “ clean & prevent ” any further infection . Repeated attacks from eye - bots revealed to the Prisoner what ODYSSEUS ' goal is , which is to continue to send out robots after the prisoners until they all have been brought back to the prison . The eye - bots and ARGOS got everyone pretty quickly - other than the protagonist and six other prisoners . It became obvious pretty quickly that ODYSSEUS is checking people off as they return and kept telling the robots that X more prisoners are unaccounted for , but ODYSSEUS seemed to be unconcerned with prisoners that stream back out again after being captured . The presumption of the Prisoner was that once all of the prisoners returned , ODYSSEUS would settle down and leave everyone alone . After all of the prisoners were returned it did some massive calculations of where everyone had traveled and it showed that the Prisoner ( and the other six prisoners ) have spread the Limit - 115 to a variety of places . At that point , ODYSSEUS made the determination that the plague was spreading too far , so it armed the B . O . M . B . satellites and melted itself down to try killing all of the prisoners . The malevolent machine AIs of Robot City , to the east , were hunting down ODYSSEUS for this reason . Appearances . ODYSSEUS has not appeared nor is it mentioned in any published game . It was to appear only in " Van Buren " , the canceled " Fallout 3 " by Black Isle Studios . It is not certain if it will appear in any future " Fallout " game .