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How co-op works
Online or LAN teammates build one factory network across a procedural world, linking production with conveyor belts while managing shared power and fluids. They divide resource gathering, expansion, troubleshooting, and defense as hostile creatures threaten new industrial territory.
About this game
Belts of Iron is an open world factory automation game that blends resource management with exploration and combat. You and your teammates work together to build and expand massive production chains, connecting facilities with miles of conveyor belts while managing power and fluid networks. The game drops you into procedurally generated worlds where hostile creatures roam, so you'll need to balance factory planning with defense.
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The core loop revolves around harvesting resources, automating production lines, and clearing new territory for expansion. Every machine, belt, and power line needs careful placement, and threats keep you on your toes. Playing with others turns this into a shared engineering puzzle where you can divide labor, tackle separate outposts, or coordinate complex supply chains together.
Belts of Iron supports online co-op and LAN play, making it ideal for groups that enjoy deep, communication-heavy teamwork. Sessions can stretch for hours as you refine layouts, troubleshoot bottlenecks, and push into new biomes. Whether you're optimizing throughput or defending your base, cooperation transforms every decision into a collaborative challenge.
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Frequently Asked Questions
Can I play this solo or is co-op required?
You can play solo. Belts of Iron supports both single-player and multiplayer modes, so you're free to build and explore on your own or team up with others.
Is this game available now or still in development?
Belts of Iron is in Early Access with a planned release date of May 28, 2026. You can access it now, but expect ongoing development and changes.
Does progress save if we want to continue our co-op world later?
Yes, the game includes a 'Save Anytime' feature, so you and your team can save your factory world and pick up where you left off in future sessions.
What makes this different from other factory games in co-op?
Belts of Iron combines factory automation with open world exploration and combat against hostile creatures. You're not just optimizing production-you're also defending territory and exploring procedurally generated worlds together, which adds tactical variety to the usual factory-building loop.