Games like Trailmakers: Space Voyager Pack
Games like Trailmakers: Space Voyager Pack include Besiege, BeamNG.drive, Garry's Mod, Brick Rigs, and Human Fall Flat. We matched them by the tags players give Trailmakers: Space Voyager Pack on Steam (Puzzle, Open World, Multiplayer, Vehicular Combat, and Flight): closest matches first, and among equally close ones the better-known games.

Besiege
Shared: Multiplayer · Sandbox · Simulation

BeamNG.drive
Shared: Open World · Simulation · Multiplayer

Garry's Mod
Shared: Multiplayer · Moddable · Sandbox

Brick Rigs
Shared: Multiplayer · Open World · Sandbox

Human Fall Flat
Shared: Puzzle · Multiplayer · Open World

Space Engineers
Shared: Open World · Building · Sandbox

CarX Drift Racing Online
Shared: Multiplayer · Moddable · Simulation

Once Human
Shared: Open World · Multiplayer · Building

Scrap Mechanic
Shared: Multiplayer · Open World · Building

Rust
Shared: Multiplayer · Open World · Building

Grand Theft Auto V Legacy
Shared: Open World · Multiplayer · Action

Terraria
Shared: Multiplayer · Sandbox · Open World

Forza Horizon 5
Shared: Open World · Multiplayer · Racing

War Thunder
Shared: Vehicular Combat · Flight · Simulation

The Crew™ 2
Shared: Open World · Multiplayer · Flight

Just Cause™ 3
Shared: Open World · Multiplayer · Action

Wobbly Life
Shared: Open World · Multiplayer · Sandbox

TerraTech
Shared: Open World · Multiplayer · Building

Kerbal Space Program
Shared: Sandbox · Simulation · Moddable

Just Cause 2
Shared: Open World · Multiplayer · Sandbox

Sons Of The Forest
Shared: Open World · Multiplayer · Building

Project Zomboid
Shared: Open World · Multiplayer · Sandbox

Microsoft Flight Simulator X: Steam Edition
Shared: Open World · Flight · Multiplayer

ARK: Survival Evolved
Shared: Multiplayer · Open World · Building