Games like 16 Personalities Simulator
Games like 16 Personalities Simulator include Aimlabs, The Sims™ 4, Chill Pulse, Click the Button, and That's not my Neighbor. We matched them by the tags players give 16 Personalities Simulator on Steam (Free to Play, Simulation, Text-Based, Casual, and Utilities): closest matches first, and among equally close ones the better-known games.

Aimlabs
Shared: Free to Play · Simulation · Software

The Sims™ 4
Shared: Free to Play · Simulation · Casual

Chill Pulse
Shared: Casual · Simulation · Utilities

Click the Button
Shared: Casual · Simulation · Incremental

That's not my Neighbor
Shared: Casual · Simulation · Point & Click

Shelldiver
Shared: Casual · Incremental · Simulation

Organized Inside
Shared: Simulation · Casual · Point & Click

xiuzhen idle
Shared: Casual · Word Game · Simulation

Digseum
Shared: Casual · Simulation · Incremental

Game Dev Tycoon
Shared: Simulation · Casual · Indie

Nodebuster
Shared: Casual · Simulation · Incremental

Papers, Please
Shared: Simulation · Point & Click · Indie

War Thunder
Shared: Free to Play · Simulation · Free To Play

Potion Craft: Alchemist Simulator
Shared: Simulation · Casual · Crafting

Coloring Game
Shared: Free to Play · Casual · 2D

JudgeSim
Shared: Simulation · Text-Based · 2D

Emily is Away Too
Shared: Simulation · Casual · Text-Based

Cookie Clicker
Shared: Casual · Incremental · Indie

Insaniquarium Deluxe
Shared: Casual · Simulation · Incremental

Immortal Family
Shared: Simulation · Word Game · Casual