*they would have to do something so one guys creature wouldnt atack the other guys creature or something which would probly involve stopping friendly fire.example. say your friend attaccks somethinbg whith area effect damage and u were in its area u would not get damaged
* they would probly need a good game engine
* make so u see ur friend on the map
*make loading separate if if playing two different games.example. one guy dies and has to reload the other guy can still play without having to wait
*add a divide gold option
*do something so when one guy chooses to sleep and the other guy near hiom will sleep too.
i would like that they make some kind of upgrade disk so i could keep my current guy and play two player with him so like u put the disk in and then it saves and starts up and has u put in the original morrowind game and then it ghoes to work too upgrade.