: They should have set it 20 years earlier in time, so that the events on the
: Marathon took place 777 years after the release of the game.
No, they'd have had to set it 23 years earlier in that case (which would the year 2771). As it is now Marathon takes place 800 years after the release year, in 2794. As of last year (2004), Marathon's 10th anniversary, that's 790 years away. In two or three years, in 2007, Marathon's 13th anniversary year, it'll be 787 years in the future. In twelve or thirteen years, on 7/25/17, Marathon's 23rd anniversary, then it'll be 777 years in the future.