Games like Infinite Rails
Games like Infinite Rails include BeamNG.drive, Garry's Mod, Railroads Online, Space Engineers, and Brick Rigs. We matched them by the tags players give Infinite Rails on Steam (Trains, Simulation, Sandbox, Driving, and Multiplayer): closest matches first, and among equally close ones the better-known games.

BeamNG.drive
Shared: Simulation · Driving · Sandbox

Garry's Mod
Shared: Sandbox · Multiplayer · Physics

Railroads Online
Shared: Trains · Multiplayer · Open World

Space Engineers
Shared: Sandbox · Simulation · Building

Brick Rigs
Shared: Sandbox · Multiplayer · Simulation

SnowRunner
Shared: Simulation · Driving · Multiplayer

MudRunner
Shared: Simulation · Driving · Multiplayer

Forza Horizon 5
Shared: Driving · Simulation · Open World

Scrap Mechanic
Shared: Sandbox · Multiplayer · Open World

CarX Drift Racing Online
Shared: Simulation · Sandbox · Multiplayer

Euro Truck Simulator 2
Shared: Simulation · Driving · Open World

Car Mechanic Simulator 2018
Shared: Simulation · Driving · Multiplayer

Forza Horizon 6
Shared: Driving · Simulation · Open World

Raft
Shared: Multiplayer · Co-op · Open World

My Summer Car
Shared: Simulation · Driving · Open World

Core Keeper
Shared: Open World · Sandbox · Multiplayer

Stormworks: Build and Rescue
Shared: Sandbox · Open World · Building

PEAK
Shared: Multiplayer · Co-op · Physics

Project Zomboid
Shared: Sandbox · Multiplayer · Open World

Trainz Railroad Simulator 2019
Shared: Trains · Simulation · Driving

Schedule I
Shared: Simulation · Co-op · Multiplayer

Satisfactory
Shared: Open World · Co-op · Multiplayer

Terraria
Shared: Sandbox · Multiplayer · Co-op

Empyrion - Galactic Survival
Shared: Simulation · Co-op · Sandbox