If you just want a "deep dive" into why we care so much about faces, the Scientific American article explores "super-recognizers"—people who can remember almost every face they’ve ever seen, a skill that strangely doesn't correlate with high IQ.
The software allows users to build composites through a simple point-and-click interface, requiring no actual artistic skill. faces 4.0 free
For Sims 4 mods: Yes, you need The Sims 4 base game. If you just want a "deep dive" into
that validates the software's ability to increase concentration. Check out the Police Magazine feature faces 4.0 free