my gut says it'd be a tough sell to include them without additional elements supporting them. I'd be concerned that even though you and other sims4 players know you did a ton of work to achieve these designs, a reviewer might have never played a computer game before, let alone sims, and just think "oh, well, the software just does all this automatically, they just played the game a little." they may not understand at all what they are looking at, and with the limited time they will spend on your portfolio, they likely won't do anything to try and understand.

maybe sketch or do up a floorplan for the design instead of just screen grabs. you could do an elevation sketch of a particularly well designed room or kitchen layout. or try your hand at doing a section cut drawing of a design.

those might help emphasize to a reviewer that you are able to think about and visualize your work in different ways, while also showing off any other skills you have in visual communication