The Urbz: Sims in the City, Mission 4...

Ok thanks, that's not really what I'm looking for but thanks for the info ;)

on ds ?

Yes

while I find some, I can always give you some codes unless you already have them
Access the Club Xzzle:

When you go to the club, enter the word bucket as the password to access the nightclub. From now on, you will be able to go there without any worries.

- Unlock New Locations:

Trash Can: achieve 100% relationship with Phoebe Twiddle.

Lost Cave: achieve 100% relationship with Ewan Watahmee

Abandoned School Bus: achieve 100% relationship with Giuseppi Mezzoalto.

Projection Booth: achieve 100% relationship with Theresa Bullhorn.

Chapter 4, Objective 4, Actions 2, 3, 4, and 5
Objective 4

Actions 2, 3, 4, and 5:
Mama is willing to write the letter, but for that, a messenger needs to be found...
Experience a day in the cell, then go out...
Head straight to the university and talk to the young man who is sleeping...
Ask him to race, but he will not accept! To remedy this, you will need to gain 40 popularity points! That means you will have to talk!
Instead, speak to people with whom you have no ties, but there is no specific technique...
Your popularity points are at the top of the menu where you can see your knowledge ^^
Good luck!
Now, go back to see Yann
Objective 4

Actions 4 and 5:
You need to find a map for Paradise Island...
It is located on the boat... Enter the casino, then take the stairs on the top left... Go up again to exit. On the left is a black entrance. Go there, you will find yourself in the captain's quarters. Go up again, and you will find the map on the ground...
Now go back out and see Yann Ahmar... Give him the map, then go see Com. Moulinaro... The law is lifted, and you can use the hovercraft.
To access it, find the stairs at the exit of the glass city heading towards the Sims district. This will lead you to the hovercraft ^^ I hope this helps you
If you want more, you need to provide the address.

You're welcome :)