Games like Aviassembly

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.

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

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.

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.

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.

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!

The future of flight simulation is now! X-Plane 11 is the detailed, realistic, and modern simulator you’ve been waiting for. Intuitive user interface, 3-D cockpits, new effects, 3-D sound, living airports and world-wide scenery.

Develop your own transport network in different regions and cities: open new routes, buy and upgrade new planes, and increase airport capacity!

Build your own airport in Skyhaven! Live out your airplane tycoon and simulation game fantasies and make the best surroundings and strategy for both airline manager and passenger alike. Schedule flight plans, build terminals, landing strips and more and create an airport tycoon empire in Skyhaven.

Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.

Explore the world with our largest fleet of aircraft and take simulation to new heights while pursuing your aviation career within Microsoft Flight Simulator 2024.

A physics sandbox game for people who like to play with digital toys. Create, control toys and define your goals.

Build & Manage Your Airport. An International Hub or a Regional Masterpiece -- it's up to you. Buy more land to scale out, or escalators to scale up with MULTIPLE FLOORS. You're in full control in this modern business management tycoon!

We're tired of endless grinding, mini-maps and predetermined fun. That's why we intend to redefine MMOs and empower our players to find their own destiny, write their own stories, and leave a lasting impression on the world they helped us create. How will you impact it and what will your legacy be?

Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.

A first-person sci-fi cargo flight sim. Pilot a physics-driven lander, plan risky routes, manage fuel and heavy cargo, and save deliveries by repairing system failures mid-flight. Earn credits and upgrade your ship.

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.

Take the role of a plane crash survivor stranded somewhere in the Pacific Ocean. Come face to face with some of the most life threatening scenarios that will result in a different experience each time you play. Scavenge. Discover. Survive.

Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!

As the lone survivor of a passenger jet crash, you find yourself in a mysterious forest battling to stay alive against a society of cannibalistic mutants. Build, explore, survive in this terrifying first person survival horror simulator.

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!

Amateur or experienced FPV pilot, learn or improve your skills on Uncrashed,the new ultra realistic FPV simulator. Simulate your own FPV drone with settings based on real values and you will have the same feeling as a real flight without the risk of breaking your drone !

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.

A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.

FPS is a Sci-Fi cargo pilot sim, with an engaging emergent mission-driven storyline, with a real-time economy with free flight and trading, on an alien world to explore. All in customizable upgradeable, well-simulated VTOL craft with real weather, and flight dynamics.

Fly bush planes on the moon of a gas giant. Do deliveries, challenges and explore an open world.

Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.

The ultimate block building game. Start with nothing and build an empire. Smooth voxel worlds, settlers, crafting, vehicles, and Steam multiplayer. Survival or Just Build — every item in your inventory is also a building block.

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.

Scrapnaut is a co-op & singleplayer top-down, base building survival game with steampunk elements. Explore an open world with different biomes, take care of oxygen, manage your farms, generate electricity, build your home and much more!

Take to the skies in the World’s favourite flight simulator! The multi award winning Microsoft Flight Simulator X lands on Steam for the first time. Take off from anywhere in the world, flying some of the world’s most iconic aircraft to any one of 24,000 destinations.

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!

Design your car from scratch: from the frame to the suspension and race it!

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.

Drive massive trains and build your career in a vast open railway network. For both PC and VR.