Re: Sims 3 many cheats won't work (says unknown command) playing on Origin PC

@jdubs4452  I've never heard of using the cheat console to max a sim's needs; it's usually done through the mailbox.  Here's a full list of cheats you can use, and how to apply them:

https://www.carls-sims-3-guide.com/cheats.php

For other cheats, it's possible that you need to enter testingcheatsenabled true first, then apply the cheat you want, although this is only true of some cheats.