The Metallurgy department is important to advance in Graveyard Keeper 2 once you’re past the beginner stage. Getting the upgrades will be necessary if you want to expand your base and take the battle to the zombies.
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How to unlock all Metallurgy Research Tree upgrades in Graveyard Keeper 2
The table below has all the information you’ll want to know when it comes to unlocking the different nodes on the Metallurgy Research Tree.
| Upgrades | Unlock | Cost |
|---|---|---|
| Bronze Works | Bronze Nails Wooden Anvil blueprint | 10 Red |
| Bronze Melting | Bronze Ingot Furnace I blueprint Firewood shed I | 10 Red |
| Bronze Craft | Bronze Detail Hardening Bucket blueprint | 30 Red |
| Glass | Glass | 30 Red 10 Green |
| Bronze Blades | Bronze Axe Bronze Pickaxe | 15 Red 5 Green |
| Bronze Forge | Tin Bronze Ingot Sluice Box blueprint | 20 Red |
| Bronze Instruments | Bronze Shovel Bronze Hammer | 15 Red 5 Green |
| Glass Blowing | Alchemy Flasks I Empty Bottle | 45 Red 10 Green |
| Bronze Polishing | Polished Bronze Bronze Tools Copper Trinkets | 30 Red |
| Firewood Shed II | Firewood Shed II | 20 Red 5 Green |
| Reinforced Plank | Reinforced Plank | 45 Red |
| Bronze Equipment | Bronze Armor Bronze Sword | 30 Red |
| Iron Forge | Iron Ingot Iron Furnace II | 35 Red |
| Simple Barricades | Barricade I blueprint Spiked Barricade I blueprint Fortified Barricade I blueprint | 60 Red 25 Green |
| Bronze Weapons | Light Pike Reinforced Bow | 35 Red 10 Green |
| Iron Smithing | Bronze Gear Iron Nails Iron Anvil blueprint | 50 Red |
| Bellows | Lens Alchemy Flasks II Bellows | 30 Red |
| Archers Tower | Archer Tower I Expand Military Building Area | 60 Red 25 Green |
| Iron Works | Iron Detail Iron Kit 1 | 75 Red |
| Smithy I | Beck Glass Smithy I blueprint | 75 Red 20 Blue |
| Reinforced Beam | Reinforced Beam | 75 Red |
| Iron Equipment | Iron Armor Iron Sword | 80 Red |
| Iron Instruments I | Iron Axe Iron Shovel | 80 Red 15 Blue |
| Iron Instruments II | Iron Hammer Iron Pickaxe | 80 Red 15 Blue |
| Smithy: Hammer | Iron Ingot Iron Kit I Hammer blueprint | 80 Red 30 Blue |
| Robust Barricades | Barricade II blueprint Spiked Barricade II blueprint Fortified Barricade II blueprint | 90 Red 30 Green |
| Iron Weapons | Battle Pike Battle Bow | 90 Red 10 Blue |
| Iron Products | Advanced Detail Iron Tools | 90 Red 10 Blue |
| Zombie Gears | Zombie Carousel blueprint | 90 Red |
| Smithy: Bellows | Tableware Glass Containers Smithy: Bellows blueprint | 90 Red 20 Blue |
| Archers Tower II | Archer Tower II | 100 red 50 Green |
| Steel Smithing | Steel Detail Steel Screws Steel Anvil blueprint | 120 Red 15 Blue |
| Reinforced Barricades | Barricade III blueprint Spiked Barricade III blueprint Fortified Barricade III blueprint | 150 Red 75 Green |
| Steel Instruments I | Steel Hammer Steel Axe | 150 Red 20 Blue |
| Steel Instruments II | Steel Pickaxe Steel Shovel | 150 Red 20 Blue |
| Steel Casting | Engineering Details Steel Tools Casting Table blueprint | 150 Red 20 Blue |
| Archer Tower III | Archer Tower III blueprint | 160 Red 80 Green |
| Steel Weapons | Knight’s Spear Heavy Bow | 160 Red 10 Blue |
| Steel Equipment | Steel Arnir Steel Sword | 160 Red 10 Blue |
| Smithy II | Clay Molds Iron Kit II Smithy II blueprint | 160 Red 20 Blue |
| Masterwork Equipment | Master Sword Master Armor | 200 Red 25 Blue |
| Lenses | Lens Press blueprint | 175 Red 20 Blue |
| Steel Works | Engineering Kit Steel Tools Grindstone blueprint | 175 Red 20 Blue |
