21 Simulation · Building · Programming games your group can play together online, including SimplePlanes 2, Desynced, and Data Center.
All games: 21
SimplePlanes is back! Build planes, cars, or anything else using powerful procedural parts! Explore detailed environments with friends in multiplayer, cause chaos, or download 1,000,000 community crafts for free.
Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.
Build, cable, and automate. Assemble racks, servers, and switches, connect enough capacity for each app, earn money from processed data, and unlock gear and bigger customers with XP and reputation. Follow colored data packets as your center comes to life.
A sandbox battle simulator game where you can build your own shape-shifting warbots, program their AI, and watch them smash each other up on the battlefield! Join the battles yourself by taking control of the warbots! Use Steam Workshop to check out warbots created by players from around the world!
Screeps: Arena is an online asynchronous PvP strategy game for programming enthusiasts. You write real JavaScript to control your units, and they fight autonomously against other players in a 1v1 match-based arena environment.
Adventure in a vast open-world survival craft game with your programmable sidekick Grammi! Program the Grammi to collect materials, build your town, craft weapons and armor to challenge strong enemies! Play alone or with friends online!
Build your robot. Battle your robot. Robot Rumble 2 is the premier robot combat building simulator, where you create your robot from real-world inspired parts, then drive it in the arena to defeat other robots.
Gather resources, craft components, build vehicles, and code their logic in a physics-driven engineering sandbox and full scale space sim.
Start your own game development studio in 1976. Build your own offices, production facilities and server rooms. Develop the games of your dreams and produce the next next-gen console. Rise from a small garage company to a huge corporation.
Bone's Cafe is a fast paced, 1-4 Players couch co-op, cooking game. Customize the layout of your kitchen to guarantee your success. Specialize your menu in ingredients and recipes to design your ultimate cafe. Put your necromancy skills to the test and raise your own undead kitchen staff.
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.
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.
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.
Contribute to the colonization of the universe. Get and process resources, develop your technologies. Achieve complete automation and build a portal to include another planet in the chain of worlds.
Screeps: World is an open source MMO strategy sandbox game for programming enthusiasts. You control your colony by writing JavaScript code that operates 24/7 in the huge persistent online open world.
Construct and design buildings for optimal working conditions. Hire people to design and release software, so you can defeat the simulated competition and take over their businesses. Manage and educate your employees to make sure they are skilled and satisfied with their job.
Join up to seven friends in Contraption Maker’s online Maker Lab to build, test, and tinker with shared physics machines.
Unleash your creativity and craft anything from flying cars to jet-powered toilets.Fair warning: there's a learning curve. But once you've got it, the sky's the limit for your creations!While active development is paused, we focus preserving the game and keeping it accessible.
Invent a new computer! Logic World is a first-person sandbox simulation game that's all about digital logic. Play alone or with friends, design unique machines, build up layers of complexity, and experience the joy of circuits!
Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?
Modbox is a multiplayer game creation sandbox for Desktop+VR