- #1 Kerbal Space Program
97% matchOverwhelmingly Positive95% of 141,003 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.4 hrsMean: 65.8 hrs≥1hr: 84%
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
Why similar: Science 17.9%, Space Sim 17%, Simulation 14.2%, Space 13.4%, Sandbox 12.2%
Why You'll Like It: It is the gold standard for physics-based aerospace engineering and orbital mechanics in a sandbox setting.
- #2 Stormworks: Build and Rescue
96% matchVery Positive90% of 58,404 reviews2020
Dev: Geometa
Windows · Mac
Median: 17.3 hrsMean: 112.7 hrs≥1hr: 91%
Join a world where you design, create and pilot your own air sea rescue service. Release your inner hero as you battle fierce storms out at sea to rescue those in need.
Why similar: Flight 27.5%, Sandbox 24.5%, Programming 18.6% ★, Physics 15.3%, Building 14.1%
Why You'll Like It: It offers deep engineering mechanics where you must design vehicles using logic gates, sensors, and complex physical systems.
- #3 Space Engineers
96% matchVery Positive89% of 133,721 reviews2019
Dev: Keen Software House
Windows
Median: 9.0 hrsMean: 96.0 hrs≥1hr: 88%
Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.
Why similar: Space Sim 26.1%, Simulation 15.6%, Sandbox 15%, Space 12.6%, Physics 11.9%
Why You'll Like It: This title allows for extensive modular ship and station building with realistic physics and functional internal systems.
- #4 Besiege
95% matchOverwhelmingly Positive95% of 52,398 reviews2020
Dev: Spiderling Studios
Windows · Mac · Linux
Median: 2.4 hrsMean: 19.1 hrs≥1hr: 71%
Besiege is a physics building game about constructing medieval machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!
Why similar: Destruction 24%, Flight 20.2%, Simulation 16.8%, Sandbox 15.9%, Physics 12.6%
Why You'll Like It: This game shares the core focus on modular construction and physics-based destruction, challenging you to build machines to complete specific objectives.
- #5 Juno: New Origins
94% matchVery Positive89% of 3,441 reviews2023
Dev: Jundroo, LLC
Windows · Mac
Median: 1.0 hrsMean: 13.1 hrs≥1hr: 50%
Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode.
Why similar: Science 16.5%, Space Sim 16.4%, Flight 12.7%, Programming 9.1% ★, Sandbox 7.8%
Why You'll Like It: This game offers advanced aerospace engineering tools that allow for precise control over rocket and aircraft design.
- #6 SimplePlanes
94% matchVery Positive93% of 10,848 reviews2015
Dev: Jundroo, LLC
Windows · Mac
Median: 2.5 hrsMean: 12.7 hrs≥1hr: 74%
Build airplanes by snapping parts together, designing wing sections, and attaching engines. At any time, you can strap yourself into the cockpit and see how it flies with realistic physics. If you're not in the mood for building, over 100,000 airplanes are available to download for free.
Why similar: Flight 38.3%, Sandbox 20.6%, Physics 16.1%, Building 13.4%, Action 8.3%
Why You'll Like It: It provides a highly accessible yet powerful flight model and building system for designing custom aircraft.
- #7 TerraTech
93% matchVery Positive91% of 24,617 reviews2018
Dev: Payload StudiosPub: Mythwright
Windows · Mac · Linux
Median: 8.2 hrsMean: 33.0 hrs≥1hr: 90%
TerraTech is an open-world, sandbox adventure game, where you design and build your own creations through a mix of crafting, combat and discovery. Design vehicles from a huge library of blocks. Scavenge, craft and buy new parts to survive and become the ultimate planetary prospector.
Why similar: Sandbox 25.7%, Crafting 19.7%, Building 19.4%, Robots 12.8%, Action 8.4%
Why You'll Like It: You build modular vehicles from scavenged parts to explore and battle in a vibrant, physics-driven open world.
- #8 Scrap Mechanic
92% matchVery Positive92% of 117,481 reviews2016
Dev: Axolot Games
Windows
Median: 11.2 hrsMean: 58.2 hrs≥1hr: 91%
Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!
Why similar: Sandbox 21%, Crafting 20.8%, Building 16.4%, Physics 15.7%, Simulation 12.2%
Why You'll Like It: It features a robust building system with interactive parts and logic gates that allow for the creation of complex automated machines.
- #9 Plasma
91% matchVery Positive90% of 1,093 reviews2023
Dev: Dry CactusPub: Dry Licorice
Windows
Median: 30 minMean: 5.3 hrs≥1hr: 37%
Plasma is a pure engineering sandbox. Use advanced visual programming and robotics tools to create anything you can imagine.
Why similar: Simulation 22.5%, Sandbox 21.4%, Programming 16.3% ★, Building 11%, Crafting 9.4%
Why You'll Like It: It focuses on robotics and complex logic, allowing players to build intricate machines with a powerful visual programming interface.
- #10 Flyout
91% matchVery Positive82% of 2,205 reviews2023
Dev: Stonext Games
Windows
Median: 2.7 hrsMean: 18.6 hrs≥1hr: 61%
Build and fly realistic aircraft. Use free-form fuselage and wing editor tools and tune your engines to recreate aircraft from any era or design your own.
Why similar: Flight 22%, Simulation 21.6%, Sandbox 16.1%, Science 14.4%, Physics 9.9%
Why You'll Like It: This game provides an unparalleled level of detail for aerospace design, focusing on realistic flight dynamics and modular assembly.
- #11 Spaceflight Simulator
89% matchOverwhelmingly Positive97% of 9,030 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 5.3 hrsMean: 15.0 hrs≥1hr: 84%
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Why similar: Space Sim 24.1%, Science 17.3%, Sandbox 14.2%, Simulation 13.3%, Space 11.1%
Why You'll Like It: A streamlined but rewarding experience focused on the core challenges of rocket design and space exploration.
- #12 Main Assembly
90% matchVery Positive83% of 1,338 reviews2021
Dev: Bad Yolk GamesPub: Team17
Windows
Median: 54 minMean: 7.0 hrs≥1hr: 50%
You’re the designer, engineer and architect if you can imagine it you can create it! Construct robots of any shape or size from eight-legged spider bots to eerie UFO contraptions.
Why similar: Science 20.5%, Simulation 12.4%, Crafting 12.2%, Sandbox 12%, Programming 12% ★
Why You'll Like It: It emphasizes robotics and creative problem-solving through a versatile building system and visual programming tools.
- #13 Universe Sandbox
89% matchOverwhelmingly Positive96% of 31,223 reviews2015
Dev: Giant Army
Windows · Mac
Median: 2.3 hrsMean: 23.8 hrs≥1hr: 71%
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
Why similar: Space Sim 17%, Science 14.9%, Simulation 12.2%, Sandbox 11.5%, Destruction 10.5%
Why You'll Like It: While less focused on building vehicles, it provides the same scientific curiosity and physics-based experimentation found in Nimbatus.
- #14 From the Depths
88% matchVery Positive89% of 12,623 reviews2020
Dev: Brilliant Skies Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 40.6 hrs≥1hr: 81%
Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.
Why similar: Sandbox 20.4%, Crafting 19.4%, Simulation 17.3%, Physics 15.5%, Building 14.4%
Why You'll Like It: This is an incredibly deep vehicle-building game where you design everything from the hull to the AI-controlled weapon systems.
- #15 Trailmakers
87% matchVery Positive92% of 35,682 reviews2019
Dev: Flashbulb
Windows
Median: 3.9 hrsMean: 15.5 hrs≥1hr: 86%
Build the ultimate vehicle and explore a vast open world filled with challenges and adventure. Play solo or team up with friends in multiplayer to conquer the toughest obstacles. With a thrilling campaign mode and endless creative possibilities, Trailmakers is the ultimate sandbox for adventurers.
Why similar: Flight 23.3%, Space 17.9%, Crafting 13.5%, Sandbox 13.2%, Action 10.8%
Why You'll Like It: This game offers a fun, intuitive way to build modular vehicles that can be tested in various physics-based environments.
- #16 Cosmoteer: Starship Architect & Commander
86% matchVery Positive94% of 12,599 reviews2022
Dev: Walternate Realities
Windows
Median: 19.4 hrsMean: 41.0 hrs≥1hr: 92%
Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!
Why similar: Space Sim 29.9%, Space 16%, Simulation 15.8%, Sci-fi 14.8%, Building 12.7%
Why You'll Like It: You design modular starships from the ground up, managing crew, weapon placement, and structural integrity in tactical space combat.
- #17 Starship EVO
86% matchVery Positive84% of 1,435 reviews2020
Dev: Moonfire Entertainment
Windows
Median: 1.5 hrsMean: 6.4 hrs≥1hr: 57%
Mine and craft your way to orbit, build your own starship and explore a vast, dangerous galaxy alongside your crew. For players who love a meaningful survival progression, a unique and elegant building system, and epic space-opera scale.
Why similar: Simulation 19%, Space Sim 14.8%, Space 14%, Sandbox 13.9%, Building 11.3%
Why You'll Like It: It allows for highly detailed modular ship construction with a focus on functional interiors and realistic space flight.
- #18 RoboCo
83% matchVery Positive88% of 206 reviews2026
Dev: Filament Games
Windows
RoboCo is a sandbox game about designing and building robots to serve the needs of squishy, hapless humans in the world of tomorrow!
Why similar: Sandbox 17.8%, Simulation 16.7%, Physics 13.6%, Building 12.2%, Education 11.9%
Why You'll Like It: This game challenges you to design robots to solve puzzles, emphasizing physics, sensors, and modular components.
- #19 GearBlocks
84% matchVery Positive91% of 735 reviews2023
Dev: SmashHammer Games
Windows · Linux
Explore a world of creative building, interactive machines, and gears - lots of gears. Build all things mechanical: cars, trucks, cranes, tanks, gearboxes, engines, clocks, anything you can think of. Test your creations to destruction in challenging scenarios, and share them in the workshop!
Why similar: Destruction 23.4%, Simulation 19.2%, Sandbox 18.3%, Physics 15.3%, Building 14%
Why You'll Like It: This sandbox game features a sophisticated physics engine that allows for the creation of complex mechanical contraptions.
- #20 Rover Builder
85% matchMixed68% of 81 reviews2022
Dev: Hatfuls GamesPub: PQube
Windows
Rover Builder is a 3D engineering sim tasking you to create the right rover to complete the job. Unleash your creativity in the garage, building vehicles using an impressive array of parts, materials and machinery. Or try your hand at level editor - creating entire missions and levels from scratch!
Why similar: Science 24.1%, Sandbox 15.3%, Simulation 14.8%, Physics 11.5%, Space 11.2%
Why You'll Like It: It focuses specifically on the engineering challenges of building rovers to traverse difficult terrain using physics-based components.
- #21 Autocraft
84% matchMixed56% of 297 reviews2017
Dev: Alientrap
Windows · Mac
Median: 54 minMean: 3.2 hrs≥1hr: 44%
Create, Collect, and Crash in Autocraft, a physics destruction sandbox. Create your own cars, rockets, tanks, planes, boats, and more.
Why similar: Simulation 20.5%, Sandbox 19.9%, Physics 12%, Building 10.8%, Space 10.4%
Why You'll Like It: This sandbox game allows you to build vehicles and machines using a wide variety of parts and logic components.
- #22 Avorion
81% matchVery Positive90% of 14,391 reviews2020
Dev: Boxelware
Windows · Mac · Linux
Median: 18.7 hrsMean: 99.8 hrs≥1hr: 90%
A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.
Why similar: Space Sim 25.5%, Flight 19.1%, Sandbox 14.4%, Simulation 12.8%, Space 11.6%
Why You'll Like It: This game combines modular ship building with space exploration and fleet management in a procedurally generated galaxy.
- #23 Stationeers
81% matchVery Positive88% of 9,014 reviews2017
Dev: RocketWerkz
Windows
Median: 10.2 hrsMean: 83.9 hrs≥1hr: 85%
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Why similar: Science 26.1%, Crafting 15.9%, Sandbox 15%, Physics 12.4%, Space 12.3%
Why You'll Like It: It offers a hardcore engineering experience where you must manage complex atmospheric, electrical, and logic systems in space.
- #24 Dieselpunk Wars
82% matchMixed63% of 157 reviews2021
Dev: Image Power S.A.
Windows
Median: 3.5 hrsMean: 4.4 hrs≥1hr: 88%
Dieselpunk Wars is a vehicle building game, focused on combat with advanced physics and damage simulation. Use over 300 elements to build a war machine of your dreams. Construct vehicles that ride on the ground, soar through the skies, or dive underwater. Prepare for combat and test your skills!
Why similar: Destruction 23.1%, Flight 20.2%, Sandbox 16.5%, Simulation 15.7%, Physics 12.4%
Why You'll Like It: You build custom war machines from modular blocks and engage in combat within a stylized, physics-heavy world.
- #25 Poly Bridge 3
79% matchOverwhelmingly Positive96% of 2,038 reviews2023
Dev: Dry Cactus
Windows · Mac · Linux
Median: 2.5 hrsMean: 6.5 hrs≥1hr: 72%
The best just got better! Rediscover your engineering creativity in this genre-defining bridge engineering and puzzle solving masterpiece.
Why similar: Simulation 44.6%, Physics 18.6%, Building 17.3%, Crafting 15.2%, Funny 2.6%
Why You'll Like It: It focuses on the structural engineering aspect of physics-based building, requiring precise design to overcome environmental challenges.
- #26 Celestial Command
82% matchMixed63% of 698 reviews2014
Dev: Romenics
Windows · Mac · Linux
Median: 1.5 hrsMean: 6.3 hrs≥1hr: 62%
Mine asteroids, salvage space debris, design your own small or massive spacecraft using individual functional components, complete missions, and engage in battles against enemies in a vast galaxy with realistic physics based on orbital mechanics or in a classic physics mode.
Why similar: Simulation 23.3%, Space 19.3%, Space Sim 15.7%, Sandbox 14.8%, Action 7.7%
Why You'll Like It: It features modular space ship construction where you must manage energy, thrusters, and weapon systems in a realistic space environment.
- #27 Aviassembly
77% matchOverwhelmingly Positive97% of 8,776 reviews2025
Dev: Jelle Booij
Windows
Median: 6.2 hrsMean: 7.4 hrs≥1hr: 82%
Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.
Why similar: Flight 18.5%, Science 14.2%, Sandbox 13.1%, Physics 11.1%, Crafting 10.7%
- #28 Volcanoids
79% matchVery Positive83% of 9,267 reviews2019
Dev: Volcanoid
Windows · Linux
Median: 3.8 hrsMean: 15.9 hrs≥1hr: 76%
A base-building open-world survival shooter that replaces your typical base with a giant drill. Alone or with friends, explore an island plagued by eruptions, upgrade your drill, and fight robots to uncover what's been hiding beneath the surface.
Why similar: Crafting 26%, Sandbox 23.5%, Simulation 22.3%, Building 15.2%, Action 10.9%
Why You'll Like It: You build and upgrade a steampunk drill ship to survive and explore a volcanic island, blending base-building with vehicle management.
- #29 Carrier Command 2
78% matchVery Positive82% of 3,688 reviews2021
Dev: GeometaPub: MicroProse Software
Windows · Mac
Median: 9.4 hrsMean: 15.6 hrs≥1hr: 92%
Carrier Command 2 is the real-time strategy game that puts you in command of a futuristic carrier capable of deploying a vast array of aircraft and amphibious units. Compete against AI or human players and hop into every single vehicle to take matters into your own hands!
Why similar: Simulation 100%
Why You'll Like It: It emphasizes the strategic control of multiple vehicles and drones, requiring you to manage complex systems in a high-stakes environment.
- #30 Tiny Space Academy
80% matchMixed63% of 54 reviews2021
Dev: Full Orbit Games LLC
Windows · Mac
Tiny Space Academy is a 2D space sim where you can grow your own space agency and explore our solar system with rockets you design! Learn basic orbital mechanics, run science experiments, and get your astronauts back to Earth safely.
Why similar: Space Sim 23.6%, Simulation 18.2%, Space 13.4%, Physics 12.1%, Crafting 9.8%
Why You'll Like It: A charming, physics-based space program simulator that captures the essence of rocket design in a simplified format.
- #31 Brick Rigs
75% matchVery Positive95% of 57,227 reviews2023
Dev: Fluppisoft GmbH
Windows · Linux
Median: 10.2 hrsMean: 77.6 hrs≥1hr: 88%
Build your own vehicles or download one of the more than 200,000 creations already uploaded to the Workshop and experience the dynamic driving and destruction physics of Brick Rigs!
Why similar: Destruction 28.3%, Sandbox 20.3%, Physics 12.5%, Building 11.8%, Simulation 11.5%
- #32 Space Engineers 2
75% matchMostly Positive76% of 4,590 reviews2025
Dev: Keen Software House
Windows
Median: 1.4 hrsMean: 7.9 hrs≥1hr: 60%
Space Engineers 2 is a playable Early Access Alpha sandbox focused on engineering, exploration, and colonization in a fully destructible universe. Design and build ships, stations, and planetary bases while uncovering the story of Miro and Ivan Sokol. Help shape the future of the Almagest system.
Why similar: Science 14.5%, Destruction 14%, Space Sim 12.5%, Sandbox 10.3%, Simulation 9.6%
- #33 Nimbatus - The Space Drone Constructor
77% matchMostly Positive79% of 2,148 reviews2020
Dev: Stray Fawn StudioPub: Stray Fawn Publishing
Windows · Mac · Linux
Median: 3.1 hrsMean: 5.0 hrs≥1hr: 84%
Command the Nimbatus and craft drones out of hundreds of different parts. Survive unknown threats in a fully destructible, procedural universe, compete against other players in different arenas or enjoy complete creative freedom in the sandbox.
Why similar: Space Sim 22.3%, Crafting 11.7%, Programming 11.3% ★, Space 9.9%, Sandbox 9.4%
- #34 FortressCraft Evolved!
78% matchMostly Positive72% of 3,057 reviews2015
Dev: ProjectorGamesPub: Digital Tribe
Windows · Mac · Linux
Median: 2.2 hrsMean: 13.6 hrs≥1hr: 72%
FortressCraft Evolved is a unique blend of Voxel Landscapes, Tower Defense, Crafting, Logistics, Exploration, Combat and Assembly lines. Players begin by crash-landing on a strange alien world, left with only a small handful of starting machines.
Why similar: Crafting 26.2%, Sandbox 25.4%, Simulation 17.5%, Building 15.7%, Indie 8.5%
Why You'll Like It: It blends voxel-based building with complex automation and logistics, appealing to players who enjoy the technical side of Nimbatus.
- #35 Rocket Science
76% matchVery Positive81% of 171 reviews2020
Dev: unbeGames
Windows
Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.
Why similar: Science 16.6%, Space Sim 16%, Flight 12.7%, Sandbox 10%, Simulation 9.7%
- #36 Medieval Machines Builder
72% matchVery Positive81% of 123 reviews2026
Dev: FreeMind S.A.Pub: PlayWay S.A.
Windows
Step into the boots of a medieval engineer and master the art of siege warfare. In Medieval Machines Builder, you design, build, and operate powerful war machines capable of bringing down even the strongest fortress walls.
Why similar: Destruction 19.8%, Simulation 14.1%, Sandbox 12.1%, Crafting 10.5%, Physics 10.2%
- #37 Archean
73% matchVery Positive88% of 238 reviews2024
Dev: batcholi
Windows · Linux
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
Why similar: Science 17.1%, Space Sim 16.5%, Sandbox 10.4%, Crafting 10.4%, Programming 10.3% ★
- #38 ΔV: Rings of Saturn
71% matchVery Positive93% of 3,347 reviews2023
Dev: Kodera Software
Windows · Mac · Linux
Median: 8.3 hrsMean: 11.6 hrs≥1hr: 84%
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
Why similar: Space Sim 20.2%, Science 18.6%, Space 12.2%, Simulation 10.5%, Physics 10.2%
- #39 Screw Drivers
69% matchVery Positive85% of 5,994 reviews2024
Dev: CreactstudiosPub: Headup
Windows
Median: 54 minMean: 11.4 hrs≥1hr: 47%
Crazy physics and high-speed races! Craft vehicles cleverly by combining building blocks and mechanical parts to create powerful drivetrains. Unlock new parts, race for the gold, and challenge your friends in multiplayer.
Why similar: Destruction 23.9%, Crafting 18.1%, Simulation 17.6%, Physics 14.9%, Building 13%
- #40 PixPhys
73% matchMostly Positive73% of 214 reviews2021
Dev: Red Starship
Windows · Linux
PixPhys is a 2D engineering sandbox with huge technical possibilities and scope for imagination: design equipment from a jet-powered cart to space stations.
Why similar: Sandbox 14%, Simulation 13.1%, Destruction 12.1%, Space 10.7%, Physics 10.7%
- #41 Realistic Tower Destruction
73% matchMixed65% of 51 reviews2020
Dev: Nikita Markin
Windows
Game allows you to build many kinds of towers from a variety of bricks and experience their dynamic destruction physics in a sandbox environment.
Why similar: Simulation 44.2%, Indie 17.9%, Destruction 15.8%, Sandbox 9.6%, Physics 7.1%
- #42 World of Contraptions
71% matchVery Positive87% of 97 reviews2022
Dev: JCP Games Studio
Windows
World of Contraptions is a physics-based building game in which you build the most varied contraptions to solve the most diverse types of puzzles. Win dozens of levels with different types of obstacles. Design the best contraption for each challenge using a giant collection of blocks.
Why similar: Science 18.2%, Destruction 15.7%, Simulation 11.7%, Sandbox 11.4%, Physics 9.2%
- #43 Learn to Fly 3
70% matchVery Positive95% of 11,094 reviews2017
Dev: Light Bringer Games inc.
Windows
Median: 2.2 hrsMean: 7.6 hrs≥1hr: 71%
Build your spaceship from scratch, earn funds and invest them into building a bigger, better spaceship as you try and fly your way up to space!
Why similar: Flight 22.2%, Simulation 20.1%, Sandbox 17.8%, Physics 15.3%, Space 12.2%
- #44 Mars First Logistics
66% matchVery Positive95% of 3,608 reviews2025
Dev: Shape Shop
Windows
Median: 4.3 hrsMean: 10.3 hrs≥1hr: 80%
Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!
Why similar: Science 20.9%, Space Sim 20.4%, Sandbox 12.3%, Simulation 11.7%, Physics 9.7%
- #45 Habitat
74% matchMostly Negative40% of 261 reviews2016
Dev: 4gencyPub: Versus Evil
Windows · Mac · Linux
Median: 3.1 hrsMean: 3.9 hrs≥1hr: 85%
Habitat is a physics-based space game where you build, fly, and fight with whatever you can find out in space. Upgrade and arm your creations with weapons and structures you find in orbit, fly and explore using rocket physics.Battle deadly enemies in Campaign Mode to save humanity or explore Sandbox Mode for true creative control.
Why similar: Simulation 27.4%, Space 23.5%, Sandbox 17.6%, Action 12.3%, Indie 11.4%
- #46 AI Drone Simulator
70% matchVery Positive84% of 221 reviews2021
Dev: Diophante Studio
Windows · Mac
AI Drone Simulator is an FPV drone simulator. Huge, dynamic environments. Virtual copy of your own drone. Total customization for maximum pilot power. Community sharing of drones, maps and tracks !
Why similar: Simulation 33.1%, Flight 30.9%, Science 13%, Physics 10.7%, Crafting 6.9%
- #47 BossConstructor
72% matchMostly Positive73% of 217 reviews2016
Dev: Neomateria Games GmbH
Windows · Mac · Linux
Median: 3.6 hrsMean: 6.8 hrs≥1hr: 77%
Scavenge modules, combine them in the deadliest and most efficient ways imaginable, and fly your very own spaceship through alien space with BossConstructor. Thousands of procedurally generated galaxies await you and your space-faring collection of assembled modules to explore them.
Why similar: Simulation 25.1%, Space 16.1%, Action 12.8%, Destruction 12.5%, Indie 11.1%
- #48 Sand:box
67% matchVery Positive94% of 1,594 reviews2023
Dev: smellymoo
Windows · Mac · Linux
Median: 1.0 hrsMean: 7.8 hrs≥1hr: 49%
"Falling sand" style particle sandbox, now with circuits and stickmen!
Why similar: Destruction 18%, Science 16%, Simulation 13.9%, Sandbox 13.6%, Physics 8.7%
- #49 Purplis Sandbox
71% matchMixed67% of 210 reviews2021
Dev: DRAGOLITEPub: DRAGOLITE STUDIO
Windows
Create your own worlds, build interesting mechanisms and just beautiful buildings, everything depends on your imagination.
Why similar: Simulation 37%, Sandbox 25.2%, Destruction 19.3%, Building 12.1%, Indie 5.2%
- #50 Space Mechanic Simulator
69% matchMixed63% of 119 reviews2023
Dev: Atomic JellyPub: Wildlands Interactive
Windows
Median: 3.4 hrsMean: 5.1 hrs≥1hr: 84%
Become a Space Mechanic! Get your hands dirty, explore the depths of space and repair broken machinery. Diagnose problems using diagrams and tools, perform repairs, manage your resources and watch the simulated machinery come alive. Or just gaze upon the beauty of the Solar System.
Why similar: Space Sim 23.7%, Science 20.3%, Simulation 15%, Space 11.5%, Physics 7.7%
- #51 CurryKitten FPV Simulator
70% matchVery Positive81% of 57 reviews2020
Dev: Wayne AndrewsPub: CurryKitten
Windows · Mac · Linux
Take charge of a powerful and acrobatic quadcopter and learn to fly it around the mountainous landscape. Rip through the partly-constructed building site, bash into the beach ball, chase cars, or fly up close and personal with an AI plane. Play it solo, or online with friends.
Why similar: Simulation 46.3%, Flight 24.6%, Action 22.4%, Indie 6.7%
- #52 ACTION SANDBOX
68% matchMostly Positive73% of 1,004 reviews2022
Dev: Vona Soft
Windows
Median: 1.4 hrsMean: 4.8 hrs≥1hr: 64%
A physics sandbox game for people who like to play with digital toys. Create, control toys and define your goals.
Why similar: Destruction 26.3%, Simulation 19.5%, Sandbox 19%, Physics 14.4%, Building 11.3%
- #53 The Enjenir: The Engineering Physics Building Simulator
66% matchVery Positive92% of 698 reviews2023
Dev: PeatyTurf
Windows
Median: 2.4 hrsMean: 4.4 hrs≥1hr: 70%
Put your engineering and problem solving skills to the test in this sandbox physics building game! Enjoy the freedom of completely gridless 3D sandbox building combined with hilarious ragdoll third person controls, offering a truly unique and hilarious "Enjeniring" experience!
Why similar: Sandbox 21.1%, Science 19.6%, Simulation 16.5%, Physics 14.5%, Building 10.3%
- #54 Hardspace: Shipbreaker
64% matchVery Positive89% of 21,927 reviews2022
Dev: Blackbird Interactive
Windows
Median: 4.7 hrsMean: 24.1 hrs≥1hr: 86%
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
Why similar: Destruction 18.2%, Simulation 15%, Space Sim 14.2%, Space 13.4%, Sandbox 10.9%
- #55 StarbaseSim
64% matchVery Positive97% of 59 reviews2025
Dev: AshtorakSimGames
Windows · Linux
Operate the Starship space launch system and learn how to catch a rocket to understand what it takes to colonize Mars in this ever-evolving simulation of SpaceX Starbase Texas.
Why similar: Space Sim 26.3%, Flight 20.6%, Simulation 18.6%, Sandbox 15.2%, Education 7.8%
- #56 Dieselpunk Wars Prologue
67% matchMostly Positive76% of 175 reviews2020
Dev: Image Power S.A.
Windows
Dieselpunk Wars: Prologue is a free version of an epic vehicle building game, focused on combat with advanced physics and damage simulation. Use over 140 elements to build an awesome war machine. Build vehicles that ride on the ground, soar through the skies, or dive underwater. Prepare for combat!
Why similar: Simulation 24.8%, Destruction 13.6%, Action 11.3%, Sandbox 11%, Indie 9.2%
- #57 Satellite Command
69% matchMixed64% of 81 reviews2016
Dev: Stormtide
Windows
Satellite Command is a realistic, relaxing astrophysics simulator. Complete contracts with real data, launch and take control of ever more powerful Satellites, research advanced technology and build your Space Agency!
Why similar: Science 20.1%, Space Sim 19.4%, Simulation 13.5%, Sandbox 12.2%, Space 10%