And that s it How custom worlds could be implemented in the Sims 4 Sims 4 One of the features of the previous Sims games that remains conspicuously absent from The Sims 4 is the ability to create our own custom worlds through an in game solution as in The Sims 2 ui is a one stop shop for your aesthetic furniture needs. The Sims 4 is sorely lacking that 2021 1 Download the zip file. Sims 4 custom worlds However and rabbits.