68 Moddable · Open World games your group can play together online, including Scrap Mechanic, Age of History 2: Definitive Edition, and Seafarer: The Ship Sim.
All games: 24
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!
The grand strategy classic returns with improved gameplay, a massive 13,892 province map, expanded diplomacy and wartime capitulation, new civilizations and scenarios, atomic weapons, smarter AI, enhanced visuals, UI upgrades, and major performance improvements.
Build your maritime career solo or with up to 4 players. Take on contracts across diverse harbors, command different ships, and tackle cargo runs, patrols, rescues, firefighting, and unexpected events in a vast Northern European open world.
Transport passengers in the city bus simulation The Bus along 1:1 scale routes in Berlin, passing landmarks like the Victory Column, Brandenburg Gate, and Alexanderplatz. In the Scania Citywide LF and other licensed buses, sell tickets, handle traffic, and get everyone to their destination safely.
Drive officially licensed buses from renowned manufacturers and manage your bus company to success. Felicia Bay’s public transportation system is counting on you!
The city is your playground. The risk is real. The path is yours. A physics-driven experience that will immerse you in an authentic urban environment. Master your movement, challenge your instincts, and traverse a city designed for limitless creative potential.
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
The world has ended. You are deep underground, and all alone with a cheery AI companion. You will have to mine and build to survive, and search for other survivors to help you. Will you be able to reach the surface? And what will you find when you get there?
A fully moddable city sandbox with jobs, NPCs, apartments, garages, gangs, and more. Broke Protocol is an open-world action game focused on roleplaying and custom content. Define your goals and identity in a persistent, reactive world where you write your own story.
Pyroworks is a free-to-play online multiplayer game containing fireworks from real-life companies from all over the globe. You can choose to make your own show, cause destruction and chaos or simulate new years. Don't miss out on playing with your friends - the most fun part.
Developed by the creator of the original Kerbal Space Program, KitHack Model Club is a physics-based model building sandbox that offers limitless freedom for you and your friends. Design, build, battle, fly (and crash!) your very own RC vehicles, or experiment with over 2,400 ready-made vehicles!
The spiritual successor to Freelancer with a Lovecraftian, sandbox RPG twist. Explore a vast handmade universe with mod support and PvP/co-op multiplayer. You're going to need a bigger ship.
A strategy/action RPG. Create a character, engage in diplomacy, craft, trade and conquer new lands in a vast medieval sandbox. Raise armies to lead into battle and command and fight alongside your troops in massive real-time battles using a deep but intuitive skill-based combat system.
Load, drive, and deliver through a huge open world with up to 24 players in cross-platform multiplayer. Join your friends in exciting heavy transport convoys. Jump into the driver's seat of more than 30 unique vehicles and carry out complex loading tasks to deliver a variety of cargo.
Create your own creatures to explore online worlds with friends and collect new parts to upgrade your stats and abilities! Complete quests, battle enemies, challenge friends to minigames, or just have fun roleplaying — the possibilities are endless when your imagination is the limit!
Create your farm and let the good times grow! Harvest crops, tend to animals, manage productions, and take on seasonal challenges.
Built from the ground up, Rock Life is the next generation of immersion and simulations. Live, do, and experience what it is like to truly become one with nature... as a rock!
Experience massive battles with infantry, tanks, artillery, and aircraft on large destructible open-world maps. Equip yourself, coordinate with your squad, and fight through World War II in singleplayer, co-op, or multiplayer!
No remarkable journey is achieved without great effort. In Outward, the cold of the night or an infected wound can be as dangerous as a predator lurking in the dark. Explore the vast world of Aurai solo or in Co-op. The Definitive Edition features both DLCs and quality of life improvements.
Create your own prehistoric civilization and lead your tribe in a world you shape. Start with nothing, build towns and industry, and advance through thousands of years of technological breakthroughs in this intimate yet expansive colony sim.
Drive, Explore, Operate and Create the railroad of your dreams - and now you can collaborate in real time with Multiplayer Surveyor! TRS22 showcases a range of high quality routes, sessions and trains to drive, plus all the scenery you need to make your own masterpiece.
Drive, Explore, Operate and Create the railroad of your dreams - and now collaborate in real time with Multiplayer Surveyor! And with Trainz Plus memberships, you get more content, more features and the latest Trainz has to offer!
Car racing game with soft-body damage, race track builder, track database and multiplayer
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.