The Sims 2 and Sims 3.
on sims 2 pets you dont have any upstairs or any stairs at all
u have to click on the floor or something that is upstairs.....
both sims 1 and sims 2.
no
There is not a PS2 version of Sims 3
only on PC
No. As Far as I know only the computer version allows you to have an upstairs
sorr as far as i know u can not have an upstairs :(
you can't. well not on Nintendo ds
Yes, some houses do have an upstairs. For some of the houses though, you have to pay to upgrade to 2 levels.
go to the floor and tell your sims to do something on that floor.
go upstairs to the crystal room and go to the curtains