they were scarier
read up on nanking and some of their other war atrocities
according to research, around 38% of American POWs held by the japanese died, as opposed to 0.7% deaths of American POWS held by the germans
basically a soldier in WWII was better off being captured by the nazis than the japanese
and the pacific theater was a much broader campaign than the european theater, so it should look quite different
also,
Excitingly, for the first time in Call of Duty's campaign 4-player co-op is supported over Xbox Live - and it supports meta game perks as in CoD4's excellent online mode.
so already COD5 > COD4 (bubububu it's modern reskins)
here's a stunningly simple solution to being tired of WWII games -
don't fucking buy them