Games like Yin Yang Space
Games like Yin Yang Space include Garry's Mod, s&box, Aimlabs, Arma 3, and KovaaK's. We matched them by the tags players give Yin Yang Space on Steam (Casual, Action, Simulation, Action-Adventure, and Tower Defense): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Casual · Sandbox · Simulation

s&box
Shared: Casual · Action · Sandbox

Aimlabs
Shared: Simulation · Action · Shooter

Arma 3
Shared: Action · Simulation · Shooter

KovaaK's
Shared: Action · Simulation · Shooter

Squirrel with a Gun
Shared: Action · Simulation · Shooter

BONELAB
Shared: Action · Shooter · Sandbox

Arma Reforger
Shared: Simulation · Action · Shooter

VLADiK BRUTAL
Shared: Action · Shooter · Casual

Counter-Strike 2
Shared: Action · Shooter · FPS

GoreBox
Shared: Sandbox · Shooter · Casual

Goat Simulator
Shared: Simulation · Casual · Action

Ravenfield
Shared: Action · Shooter · Sandbox

Oblivity - Find your perfect Sensitivity
Shared: Action · Simulation · Shooter

PowerWash Simulator
Shared: Casual · Simulation · Sandbox

Hard Bullet
Shared: Action · Simulation · Sandbox

Hot Dogs, Horseshoes & Hand Grenades
Shared: Simulation · Shooter · Sandbox

How to Fish
Shared: Shooter · Action · Casual

BONEWORKS
Shared: Action · Shooter · Sandbox

House Flipper
Shared: Simulation · Casual · Sandbox

Borderlands 2
Shared: Action · Shooter · Looter Shooter

Rising Front
Shared: Simulation · Action · Sandbox

PAYDAY 2
Shared: Action · Shooter · FPS

Escape From Duckov
Shared: Action · Shooter · Top-Down Shooter