21 Multiplayer · Programming games your group can play together online, including SimplePlanes 2, MoSimulator, and Desynced.
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.
MoSimulator is a robotics simulation game with an arcade feel that lets players mod in their own robots. Experience the excitement of competitive student robotics in a fun, accessible format where you can bring your own robot designs to life and compete in simulated matches.
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.
An internet service provider simulation game. Design and build network connectivity and services to clients in an ever-expanding randomly generated tower. Configure and maintain equipment to ensure you meet the requirements of tower dwellers. Manage your spending for expansion and daily operations.
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.
Enter a novel digital universe with infinite possibilities. Whether you resonate with people around the world in a casual conversation, playing games and socializing or you riff off each other when creating anything from art to programming complex games, you'll find your place here.
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.
Assemble your robot squad, construct their AI and send them in the battle arena to see your strategy play out. Iterate, improve and repeat until you outsmart all your opponents and friends online.
Drunken Wrestlers 2 is a funny physics-based multiplayer fighting game. Features include character customization and a powerful mod editor integrated with Steam Workshop.
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.
Total Miner is an open world voxel sandbox game. It is primarily designed for creative RPG game builders, but also has two action/adventure style game modes where you can just jump in and play.
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.
Onset is an open world Lua scripting sandbox without predefined goals. Choose from hundreds of Lua functions from our Developer Wiki to create your own scripts and gamemodes. Onset is a perfect starting point for beginners interested in learning how to program.
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!
Modbox is a multiplayer game creation sandbox for Desktop+VR