SteamWorld Build: Complete Guide To The Marshy Ruins, Where to Find The Conveyor Belt Blueprint?
Michael Green
Published Oct 16, 2026
In SteamWorld Build, the Marshy Ruins hide behind the Broken Mineshaft, found at the end of the Dusty Caverns. To reach this mysterious place:
Locating the Mineshaft
Look for a hidden mechanical gate. To open it, activate a green-wired lever and a yellow-wired lever. Follow the wires to find the doors each lever unlocks.
Restoring Access
Once inside the Broken Mineshaft, the key to the Marshy Ruins lies in restoring the Mineshaft Elevator. Gather:
Resources Needed: 1,200 Cash, 25 Sheet Metal, 40 Boards, and a minimum of ten Aristobots.
Resources Await
The Marshy Ruins offer precious resources for your journey:
Plastishrooms: Find them in Plastishroom Farms on Fertile Soil, managed by Prospector Steambots. Building these farms requires 300 Money, two Boards, two Tools, and one Sheet Metal per unit.
Crude Oil: Extracted using Oil Extractors and refined in an Oil Refinery. Each Extractor needs 5,000 Money, 15 Tools, and nine Sheet Metal.
Gas: Acquire it through Gas Extractors, vital for structures like the Sulfur Distillery. Setting up each Extractor demands 8,000 Money, 15 Tools, 15 Sheet Metal, and five Plastic.
Challenges Ahead
The Marshy Ruins aren’t without their hazards:
Instability: Beware of potential cave-ins due to instability in the ruins.
Adversaries: Encounter Small, Medium, and Large Beetles, Worms, The Hive, and The Creep. Employ Guard Steambots for defense.
Tackling The Creep and The Hive
Facing The Creep and The Hive requires specific strategies:
The Creep: Use Guards with Flamethrowers to burn away The Creep. Find Flamethrowers in chests or trade at the Train Station.
The Hive: Defend against this combination of Insect enemies and Fertile Soil with Guards and Turrets for a sturdy defense.
Seeking Blueprints and Rocket Parts
Exploring the Marshy Ruins offers valuable finds:
Conveyor Belt Blueprint: Discover it in chests scattered across the cavern layer. This blueprint streamlines resource transportation.
Rocket Parts: Use a Surveillance Facility and Radar System to locate them. Construct Bridges to reach and collect these vital parts.
FAQs for Your Journey
Some common queries answered:
Blueprint Location: The Conveyor Belt blueprint resides in chests throughout the cavern layer in Marshy Ruins.
Chance or Guaranteed: It’s a definite find in the chests; you won’t miss it during exploration.
Gameplay Enhancement: The Conveyor Belt blueprint optimizes resource management in your city.
Chest Surprises: Apart from the blueprint, chests hold various items, adding excitement to your exploration.
Layer Exploration: Head to the cavern layer within Marshy Ruins for new challenges and discoveries.
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