The Sims 2: Castaway Cheats & Tips

Once you get onto the third island, make your way to the volcano, when you reach the peak, set up plans and place a bed in any available space, now continously mine the "ore" or "obsidian" there to raise your skill, and when you;re tired, just sleep on the bed. (YOU CAN ALSO PUT A STOVE HERE TO COOK THINGS TO EAT, OR JUST EAT THEM RAW.)