Could anyone give me details on the development time of any of the major titles of the 8-bit era? Time of era explained here
You can include major PC titles around the time such as Ultima but I'd rather console titles.
If possible, could the team size for the relevant game be included? Even if you can't, I'd still accept the duration.

Thanks, I'm hoping GOGlodytes' knowledge of retro gaming will come in handy.