You can not change the language.
Chat with our AI personalities
You can choose the language that text will appear in, but the people will still speak "Similish".
Simlish, a language made for the sims and the sims alone no one can find out what their saying. Not really gibberish but its a scrambling of each and every language in the world.
You can only change the weather if you have 'the sims 2 seasons'. You change the season in the neighborhood in the corner to the left (up).
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The sims language is called Simlish. It was created by EA.