ZFR: What a nice coincidence
nightcraw1er.488: 2001 a space odyssey was not released in 2001. Happens quite a lot, there could be 2001 other king of fighters games (paradox or telltale for instance).
On the other hand, sports games are often numbered (roughly) by the year they're released.
F4LL0UT: Or Battlefield 1942 - released in 2002
amok: SimCity 4000 released in... umm...
3993, of course. They're all 7 years early. They probably just use a calendar that's offset about that much from the common Gregorian calendar.