Games like Next Space Rebels
Games like Next Space Rebels include Kerbal Space Program, Poly Bridge, Garry's Mod, Totally Accurate Battle Simulator, and Kerbal Space Program 2. We matched them by the tags players give Next Space Rebels on Steam (Simulation, FMV, Building, Crafting, and Indie): closest matches first, and among equally close ones the better-known games.

Kerbal Space Program
Shared: Simulation · Building · Science

Poly Bridge
Shared: Simulation · Building · Physics

Garry's Mod
Shared: Building · Physics · Simulation

Totally Accurate Battle Simulator
Shared: Simulation · Funny · Indie

Kerbal Space Program 2
Shared: Building · Simulation · Science

Space Engineers
Shared: Building · Simulation · Physics

Poly Bridge 2
Shared: Building · Simulation · Crafting

Scrap Mechanic
Shared: Building · Crafting · Physics

Graveyard Keeper
Shared: Simulation · Crafting · Indie

People Playground
Shared: Simulation · Physics · Building

Spaceflight Simulator
Shared: Simulation · Crafting · Science

Empyrion - Galactic Survival
Shared: Simulation · Building · Space

Aviassembly
Shared: Building · Simulation · Crafting

Two Point Hospital
Shared: Simulation · Building · Funny

Fun with Ragdolls: The Game
Shared: Simulation · Building · Indie

Goat Simulator
Shared: Simulation · Funny · Indie

Cities: Skylines
Shared: Simulation · Building · Singleplayer

Planet Coaster
Shared: Simulation · Building · Singleplayer

Automation - The Car Company Tycoon Game
Shared: Simulation · Building · Crafting

Besiege
Shared: Simulation · Building · Physics

The Forest
Shared: Crafting · Building · Adventure

House Flipper
Shared: Simulation · Building · Singleplayer

Stardew Valley
Shared: Simulation · Crafting · Building

My Time at Portia
Shared: Simulation · Crafting · Building