Horizon Sandbox

Horizon Sandbox is a multiplayer physics sandbox where your creativity takes center stage. Bolt a thruster to a wooden pallet and call it a plane, construct massive mechanical structures, or just cause chaos with friends. There are no missions, levels, or objectives - every server is an open sandbox where you and up to 100 other players build, wreck, and collaborate however you want. Build anything, the only limit is your imagination!

Features:

• Full Physics Simulation: Every object you spawn reacts dynamically to the environment. Push it, weld it, launch it, and experiment with realistic physical forces.
• Contraption Saving & Sharing: Keep your builds alive forever. Save your custom creations locally as portable files, making it easy to back up your progress or share your designs directly with other players.
• Up to 100 Players: Join massive servers to collaborate on giant structures, host physics experiments, or engage in chaotic, large-scale multiplayer sandbox gameplay.
• Welding, Wiring, and Engineering Tools: Link components together using an in-depth wiring system. Connect sensors, buttons, and thrusters to build fully functional vehicles, automated logic systems, or even complex in-game computers.
• Extensive Modding Support: Customize your experience by creating your own custom content or downloading a large variety of community-made mods, maps, and tools.

Sessions can run anywhere from a few minutes to several hours, depending on what you're building and who you're building it with.