Games like KitHack Model Club

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.

Kerbal Space Program 2 is the sequel to the acclaimed space-flight simulation game Kerbal Space Program. Enter the next generation of space adventure with exciting new parts, stunning visuals, fully revamped UI and Map View, and rich new environments to explore.

Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

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.

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.

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.

Do whatever you want in a physics sandbox full of chaotic destruction, endless player-made creations and unpredictable adventures. Build, destroy, roleplay and mess around solo or with friends!

Modbox is a multiplayer game creation sandbox for Desktop+VR

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.

Gimbal is the multiplayer shooter with buildable vehicles. Customize your weaponry, engines, and accessories, and then take to the skies against other pilots in real time.

Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.

Mod&Play - physics sandbox. Manipulate objects and create your own constructions with friends. There are no restrictions or goals, it all depends on you.

Master realistic drift physics, tune 120+ cars and drift online with up to 16 players across platforms. Compete in TOP-32, build unique setups and explore hundreds of community-made Workshop maps.

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.

Construct mighty steampunk airships and fly them into battle, waging war and conquering the skies!

The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!

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.

Become a master model maker in the Complete Edition of this beloved crafting simulator, featuring all DLCs. Assemble, customize and display your creations, whether you’re a veteran or a novice. Get building, and get creative!

Tabletop Simulator is the only simulator where you can let your aggression out by flipping the table! There are no rules to follow: just you, a physics sandbox, and your friends. Make your own online board games or play the thousands of community created mods. Unlimited gaming possibilities!

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.

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.

Build your dream railroad across a huge open world! You can build tracks and stations, drive detailed locomotives, and transport goods to earn money and experience. Play exciting Online Multiplayer sessions with your friends or create your very own sandbox!

Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.

Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.

Scoot is an open world scooter riding game. Enter this physics based game and perform over 40 different tricks, customise your scooter and rider, build your dream park, film clips, or play online with friends!

Make your own games in this powerful sandbox building engine. Vehicle simulators, first person shooters! No coding knowledge required, create games using blocks and then publish them online for others to play. BUILD IT, PLAY IT, SHARE IT!

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!

In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.

Chart a course in a breathtaking, but fractured world. Explore ancient ruins, master advanced technology, and craft your very own skyship to brave nature’s fury and colossal threats in Lost Skies. Team up with friends or go it alone in this awe-inspiring cooperative survival adventure.

Create and destroy on a scale you’ve never imagined!

Dive into a sandbox full of action and customization! Choose from different game modes like deathmatch, conquest, king of the hill, zombie survival and many more. Create your own scenarios and content in the easy to use in-game editors or use one of the 50k+ workshop items from other players...

A highly customizable virtual stressball and physics sandbox about mutilating ragdolls in various ways using an overwhelming amount of weapons and tools.

Embark on your creative journey of vehicle design, as you create and operate vehicles to survive this dangerous open world. Anymaker is a detailed and technical vehicle builder and survival game. Design your chassis, build your engine, connect components, and travel into the unknown.

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.

Prepare the perfect heist in a fully destructible, simulated voxel world. Tear down walls with vehicles or use explosives to create your own shortcuts. Shape the environment to your advantage in the most creative ways you can imagine. Play solo or with up to 12 players in multiplayer.

The spiritual successor to The Incredible Machine from its original designer and programmer. Play 100s of puzzles. Build and share elaborate contraptions with an huge variety of parts and critters.