I like doing challenges and building. I haven't been much into playing sims from life to death, I don't like it when they die so I always play with aging turned off.
This week I started a new Rags to Riches family (probably my 4th or 5th) but with just one sim and I planned on collecting every crystal, fossil, relic and treasure and putting them in a museum. I got the idea from Thesimsupply actually but it has been so fun. OH, and I didn't use any walls to make her house. I moved her in on the island in Windenburg where the Bluffs are and removed every other house there so it's kind of like a deserted island and her house is made out of those parasols that came with Jungle Adventure, almost as if she got shipwrecked :D