494 Sandbox · Singleplayer games your group can play together online, including World Racing 2 - Champion Edition, Jigsaw Puzzle Dreams, and Sapiens.
All games: 24
World Racing 2 is back - revamped with a new look! The highly acclaimed racing spectacle makes the streets on your screen glow like never before! The new Champion Edition offers modding and Steam Workshop support. Are you ready to start the race of your life? The roads are waiting for you!
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!
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.
Hunt, survive, build and lead in the harsh Middle Ages: Create your own Medieval Dynasty and ensure its long-lasting prosperity or die trying! Play alone or team up with friends to enjoy the ultimate medieval experience.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
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.
Step onto the gridiron with Football Simulator and experience the most dynamic and physics-driven football game ever made. Break through tackles, juggle tipped passes, and dive for interceptions to lead your team to victory. Features a fully moddable environment.
Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!
Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
DeadPoly is a polygon arcade zombie survival looter shooter with base building, crafting, scavenging, leveling, questing, and more, but your only goal is survival, everything else is optional.
Paint the Town Red is a chaotic first person melee combat game set in different locations and time periods. The voxel-based enemies can be punched, bashed, kicked, stabbed and sliced completely dynamically using almost anything that isn't nailed down.
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!
Be the leader of wobblers from ancient lands, spooky places, and fantasy worlds. Watch them fight in simulations made with the wobbliest physics system ever created, make your own wobblers in the unit creator and send your army off to fight your friends in multiplayer.
Good Company is an in-depth management sim about building a trail-blazing tech corporation. Assemble complex production lines, manage employee logistics, and sell high-quality products on the market to become the best company in the whole county!
Você monta um elenco formado pelos seus amigos, personagens ou celebridades favoritas, enfia todo mundo numa casa, e assiste o circo pegar fogo. IRMÃO Grande & Brasileiro 2 é o mais Grande e mais Brasileiro simulador de cárcere privado competitivo que o dinheiro pode comprar.
A unique and deeply engaging political/military strategic simulation from the creator of Plague Inc. Balance competing civilian and military priorities and deal with a deadly insurgency in order to stabilise a war-torn country.
Collect the best vehicles in the Hot Wheels™ universe, build spectacular tracks and dive into breathtaking races.
Car racing game with soft-body damage, race track builder, track database and multiplayer
A first-person city-building game with powerful tools that allow you to build faster and bigger. Design your own construction blocks and furniture in factories, terraform the open world, build roads and use vehicles to travel to different cities that you or your friends create in solo or coop mode.
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.
The Guild 3 is a fascinating trade and life simulation that takes place during the late Middle Ages. Step into the shoes of a citizen, acquire businesses and mansions, produce goods and trade them, start intrigues in politics and society, love, hate, bribe, fight and live through good and bad times!
Inspired by The Iliad and brought to life through the award-winning strategy game series, A Total War Saga: TROY brings a blend of grand, turn-based empire management and spectacular real-time battles to the heart of the Trojan War.
FIREWORKS MANIA is a small casual explosive simulator game where you play around with fireworks, create beautiful firework shows or just blow stuff up.
Design and run your own railroads for the real world. Solve global transportation dilemmas. Unleash your inner railway engineer and transit policy manager.