Games like Equanimity
Games like Equanimity include KovaaK's, Drug Dealer Simulator, 鬼谷八荒 Tale of Immortal, RUNNING WITH RIFLES, and Police Stories. We matched them by the tags players give Equanimity on Steam (Simulation, Action, 4X, Interactive Fiction, and Mystery Dungeon): closest matches first, and among equally close ones the better-known games.

KovaaK's
Shared: Action · Simulation · Indie

Drug Dealer Simulator
Shared: Simulation · Action · Indie

鬼谷八荒 Tale of Immortal
Shared: Simulation · Action · Singleplayer

RUNNING WITH RIFLES
Shared: Action · Top-Down Shooter · Artificial Intelligence

Police Stories
Shared: Action · Simulation · Top-Down Shooter

Thief Simulator
Shared: Simulation · Action · Singleplayer

Feed and Grow: Fish
Shared: Simulation · Action · Indie

Door Kickers
Shared: Simulation · Action · Indie

Session: Skate Sim
Shared: Simulation · Action · Indie

War Thunder
Shared: Action · Simulation

Totally Accurate Battle Simulator
Shared: Simulation · Indie · Singleplayer

Goat Simulator
Shared: Simulation · Action · Indie

Arma 3
Shared: Action · Simulation · Singleplayer

Total Tank Simulator
Shared: Simulation · Action · Indie

House Flipper
Shared: Simulation · Singleplayer · Action

Project Wingman
Shared: Action · Simulation · Indie

Russian Life Simulator
Shared: Simulation · Action · Indie

Crime Scene Cleaner
Shared: Simulation · Action · Singleplayer

Thief Simulator 2
Shared: Simulation · Action · Singleplayer

Maniac
Shared: Simulation · Top-Down Shooter · Action

Aimlabs
Shared: Simulation · Action · Indie

Papers, Please
Shared: Simulation · Indie · Singleplayer

Contraband Police
Shared: Simulation · Action · Singleplayer

Wreckfest
Shared: Simulation · Action · Indie