THE SIMS 2 UNLOCKABLES
Controlling a dead Sim
Kill your Sim. There are a lot of ways to do this, but starting a fire is the fastest. Once your Sim is dead switch, to direct control (if not already in it). As a dead Sim you can walk through walls and talk to Sims. Terrorize, Wail, and Possess are social options dead Sims can do. Unfortunately you cannot actually possesses Sims out of social mode. These social options have no effect on other Sims, but are funny. You can also challenge the Grim Reaper in fiddle challenge. You have an unlimited number of chances to try this. If you win, your Sim will become alive again. You can also pay the Grim Reaper 100 Simoleons for a Back To Life Ticket.
Unlocking clothes
Get your Sim's relationships to 100 with everyone. Every time you raise another relationship to 100, you will unlock a new article of clothing.
Rockwall Acres
Simply follow the instructions given to unlock this area.
Shoreline Trails
Buy a Foosball Table. When a Want that described as "Beat Torin at Foosball" appears, wait for Torin to play, then click the "Challenge" option and defeathim.
Cliffside Retreat
Fulfill all of Isabella's Wants and make her happy. REMEMBER: It may be difficult and take some time to get her to make a sandwich.
HMS Amore
Fulfill all of Betty's Wants until she is platinum. She will then tell you where the next location is. One of her wants will be to marry Captain Nelson.
Sunset Canyon
Bring Helga, Billy, and Sheila back to life, build a kitchen, clean up the mess, build a bathroom, and give them beds to sleep in. They will then tell you the next location.
Orbit Room
First, become friends with Red S, then serve him some food. Once you have done that, move back to Sunset Canyon and make Red S and Helga fall in love and get married. Red S will now live there, and you can control him. Do whatever is needed to get Red S in a platinum mood. He will tell you how to get to Tranquillity Falls.
Tranquillity Falls
This level is rather easy. To move onto the next level, you must fulfill all of Larry's wants to put him in a platinum mood, and do the same with Chantal. After both are in a platinum mood they will tell you where Jungen House is located, and it will be unlocked.
Jugen House
Here you fulfill Toothless Joe's aspirations until your Sim gets "Visit New Location" as one of their aspirations. Then, go back to Tranquillity Falls and your aspiration will change to "Help Chantal". To do this, just keep fulfilling her wants until she is platinum (a job in Art). This will unlock the Alien Crash Site.