Games like Grenadier Command
Games like Grenadier Command include Feed and Grow: Fish, 鬼谷八荒 Tale of Immortal, Your Only Move Is HUSTLE, Drug Dealer Simulator, and SANABI. We matched them by the tags players give Grenadier Command on Steam (Action, Simulation, Early Access, Indie, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Feed and Grow: Fish
Shared: Simulation · Action · Early Access

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

Your Only Move Is HUSTLE
Shared: Action · Turn-Based Strategy · Simulation

Drug Dealer Simulator
Shared: Simulation · Action · Indie

SANABI
Shared: Action · Singleplayer · 2D Platformer

Door Kickers
Shared: Simulation · Action · Indie

Russian Life Simulator
Shared: Simulation · Action · Singleplayer

The Escapists
Shared: Simulation · Singleplayer · Action

Game Dev Tycoon
Shared: Simulation · Indie · Singleplayer

KovaaK's
Shared: Action · Simulation · Indie

Storm Chasers
Shared: Simulation · Early Access · Action

Plebby Quest: The Crusades
Shared: Indie · Simulation · Action

War Thunder
Shared: Action · Simulation · World War II

Papers, Please
Shared: Simulation · Indie · Singleplayer

Skul: The Hero Slayer
Shared: Action · Indie · Singleplayer

EmergeNYC
Shared: Simulation · Early Access · Action

People Playground
Shared: Simulation · Singleplayer · 2D

FPV Kamikaze Drone
Shared: Action · Simulation · Singleplayer

Total Tank Simulator
Shared: Simulation · Action · Indie

Sparkle 2 Evo
Shared: Simulation · Action · Indie

House Flipper
Shared: Simulation · Singleplayer · Action

Plague Inc: Evolved
Shared: Simulation · Indie · Singleplayer

911 Operator
Shared: Simulation · Indie · Singleplayer

Thief Simulator
Shared: Simulation · Singleplayer · Action