All Tech Tree Upgrade Requirements in Graveyard Keeper 2

Graveyard Keeper 2 has a massive tech tree that unlocks all the blueprints needed to harvest and process every resource, serving as your primary path forward alongside the main story.

These upgrades sometimes show up as a “?” in the tech tree, and most of them are hidden until you progress to a certain point in the story.

If you want to see the whole tech tree list immediately, here’s the complete list of all the upgrades in Graveyard Keeper 2.

Building tech tree in Graveyard Keeper 2

BUILDING TECH TREE RESEARCH	REQUIREMENTS	UNLOCKS: RECIPES AND BLUEPRINTS
The Concept of Wood	2 Red 2 Green	Board Short Log Sawhorse
Chopping	8 Red	Firewood Wood Wedge Chopping Spot
Woodworking I	10 Red	Wooden Plank Woodworking Workbench I
The Concept of Stone	15 Red	Piece of Stone Stonemason’s Workbench
Suit Up!	15 Red	Dresser with mirror
Tool Rack	35 Red	Tool Rack Simple Chest
Pottery I	10 Red 5 Green	Clay Plate Potter’s Wheel
Zombie Assistant	35 Red 5 Green	Zombie Supplier Station
Oiled Wood	20 Red 20 Green	Oiled Plank Wooden Kit I Wooden Trinkets
Stone Polishing	20 Red 5 Green	Polished Stone Stone Kit
Brick Making	15 Red 5 Green	Brick Kiln
Woodworking II	40 Red 5 Green	Bronze Chisel Furniture Kit I Woodworking Workbench II
Houses Repairing	45 Red 10 Green	Building Kit I
Circular Saw	25 Red 10 Green	Wooden Beam Oiled Beam Circular Saw
Market Stalls I	55 Red 10 Green	Apothecary Vegetable Stand Tailor
Tool Rack II	60 Red 10 Green 20 Blue	Iron Chisel Fine Tool Rack Chest
Stone Carving	60 Red	Carved Stone
Ceramic Firing	55 Red	Clay Urn
Wooden Joint	90 Red 25 Blue	Wooden Joint
The Concept of Marble	80 Red 30 Blue	Marble Plate
Wood Carving	100 Red 30 Blue	Carved Wood Large Chest
Conveyors	70 Red 20 Blue	Conveyor Belt Conveyor Splitter Underground Conveyor
Marble Polishing	90 Red 20 Blue	Polished Marble Stone Marbles
Assembly Bench	70 Red 20 Blue	Wooden Kit I Stone Kit Assembly Bench I
Marble Carving	150 Red 50 Blue	Carved Marble
Crate	80 Red 10 Blue	Crate Supply Pallet
Wooden Kit I	80 Red 10 Blue	Wooden Kit I Assembly Bench: Auto-Hammer Conveyor Chest I
Fabric	80 Red 10 Blue	Fabric Supply: Fabric Assembly Bench: Spinning Wheel
Zombie Delivery	80 Red 10 Blue	Zombie Supply Porter Supply Station
Building Kit I	80 Red 10 Blue	Building Kit I Supply: Building Materials I Factory Lantern
Artisans I	75 Red 25 Green	Builder Smithy
Assembly Bench II	90 Red 20 Blue	Supply: Iron Tools Assembly Bench II
Furniture Kit I	90 Red 20 Blue	Furniture Kit I Supply: Furniture I Assembly Bench: Drill Press
Wooden Kit II	90 Red 20 Blue	Wooden Kit II Conveyor Chest II Porter Station
Kitchen Supplies	90 Red 20 Blue	Cutlery I Supply: Kitchen Utensils
Ways of Stone	90 Red 20 Blue	Marble Kit Sculpture Kit I
Market Stalls II	80 Red 30 Green	Furniture Maker Baker Fish Stand
Appliances I	90 Red 20 Blue	Supply: Appliances I Supply Pallet II
Bioreactor	90 Red 20 Blue	Zombie Power Bioreactor
Clothes I	90 Red 20 Blue	Supply: Clothes I Assembly Bench: Sewing Machine
Artisans II	100 Red 75 Green	Tavern Brewery
Zombie Mechanisms	90 Red 20 Blue	Zombie Mechanism Supply: Engineering Mechanism Assembly Bench: Lathe
Market Stalls III	120 Red 50 Green	Alchemist Jeweler
Assembly Bench III	100 Red 30 Blue	Sculpture Kit II Cutlery II Assembly Bench III
Furniture Kit II	100 Red 30 Blue	Furniture Kit II Supply: Furniture II
Building Kit II	100 Red 30 Blue	Building Kit II Supply: Building Materials II
Clothes II	100 Red 30 Blue	Supply: Clothes II
Appliances II	100 Red 30 Blue	Supply: Appliances II

Graveyard Keeper 2’s Metallurgy tech tree

Iron ores location south of vineyard in Exact map location on how to get clay in Graveyard Keeper 2 — Screenshot by Enzo Zalamea/Fanstanza

METALLURGY TECH TREE RESEARCH	REQUIREMENTS	UNLOCKS: RECIPES AND BLUEPRINTS
Bronze Works	5 Red	Bronze Nails Wooden Anvil
Bronze Melting	10 Red	Bronze Ingot Furnace I Firewood Shed I
Firewood Shed II	20 Red 5 Green	Firewood Shed II
Bronze Works	30 Red	Bronze Detail Hardening Bucket
Glass	30 Red 10 Green	Glass
Bronze Blades	15 Red 5 Green	Bronze Axe Bronze Pickaxe
Bronze Forge	20 Red	Tin Bronze Ingot Sluice Box
Bronze Instruments	15 Red 5 Green	Bronze Shovel Bronze Hammer
Glass Blowing	45 Red 10 Green	Alchemy Flasks I Empty Bottle
Bronze Polishing	30 Red	Polished Bronze Bronze Tools Copper Trinkets
Reinforced Plank	45 Red	Reinforced Plank
Bronze Weapons	30 Red	Bronze Armor Bronze Sword
Iron Forge	35 Red	Iron Ingot Supply: Iron Furnace II
Simple Barricades	60 Red 25 Green	Barricade I Spiked Barricade I Fortified Barricade I
Bronze Arrowheads	35 Red 10 Green	Light Pike Reinforced Bow
Iron Smithing	50 Red	Bronze Gear Iron Nails Iron Anvil
Bellows	30 Red	Lens Alchemy Flasks II Bellows
Archers Tower	60 Red 25 Green	Archer Tower I Expand Military Building Area
Iron Works	75 Red	Iron Detail Iron Kit I
Smithy I	75 Red 20 Blue	Brick Glass Smithy I
Reinforced Beam	45 Red	Reinforced Beam
Iron Equipment	80 Red	Iron Armor Iron Sword
Iron Instruments I	50 Red 20 Green	Iron Axe Iron Shovel
Iron Instruments II	45 Red 25 Green	Iron Hammer Iron Pickaxe
Smithy: Hammer	80 Red 30 Blue	Iron Ingot Iron Kit I Smithy: Hammer
Robust Barricades	80 Red 30 Green	Barricade II Spiked Barricade II Fortified Barricade II
Iron Weapons	60 Red	Battle Pike Battle Bow
Iron Products	40 Red 40 Green	Advanced Detail Iron Tools
Zombie Gears	90 Red 20 Blue	Zombie Carousel
Smithy: Bellows	90 Red 20 Blue	Tableware Glass Containers Smithy: Bellows
Archers Tower II	90 Red 30 Green	Archer Tower II
Steel Smithing	90 Red 15 Blue	Steel Detail Steel Screws Steel Anvil
Reinforced Barricades	100 Red 60 Green	Barricade III Spiked Barricade III Fortified Barricade III
Steel Instruments I	100 Red 20 Blue	Steel Hammer Steel Axe
Steel Instruments II	100 Red 20 Blue	Steel Pickaxe Steel Shovel
Steel Casting	100 Red 20 Blue	Engineering Details Steel Tools Casting Table
Archers Tower III	100 Red 60 Green	Archer Tower III
Steel Weapons	100 Red 10 Blue	Knight’s Spear Heavy Bow
Steel Equipment	100 Red 10 Blue	Steel Armor Steel Sword
Smithy II	100 Red 20 Blue	Clay Molds Iron Kit II Smithy II
Masterwork Equipment	250 Red 25 Blue	Master Sword Master Armor
Lenses	100 Red 20 Blue	Lens Smithy: Press
Steel Works	100 Red 20 Blue	Engineering Kit Supply: Steel Tools Smithy: Grindstone

Farming tech tree in Graveyard Keeper 2

Zombie automation in Graveyard Keeper 2 official screenshot — Credit: Lazy Bear Games

FARMING TECH TREE RESEARCH	REQUIREMENTS	UNLOCKS: RECIPES AND BLUEPRINTS
Orchardry	20 Green	Orchard Apple Tree
Gardening	5 Green	Garden Bed
Cold Pressing	15 Green	Apple Juice Berry Juice Vine Press
Fertilizers I	15 Green	Peat Crop Boosting Fertilizer I Compost Pile
Fishing I	15 Green	Basic Rod
Millstone	5 Red 10 Green	Flour Seed Oil Millstone
Cider Brewery	20 Green	Apple Cider Berry Cider Fermentation Barrel
Garden Improvement I	20 Green	Garden Upgrade I Garden Well Upgrade
Fertilizers II	20 Green	Headstart Fertilizer I Farming Fertilizer I Weak Growth Elixir
Bread	25 Green	Dough Bread
Flax Thread	25 Green	Flax Thread Spinning Wheel
Beekeeping	25 Green	Beehive
Fishing II	25 Green	Amateur Rod Breadcrumb Bait
Vineyard	25 Green	Vine Trellis
Kitchen II	50 Green 10 Blue	Kitchen Table II Zombie Supplier Station
Fabric	30 Green	Fabric Supply: Fabric Weaving Loom
Zombie Gardening	30 Green 5 Blue	Gardener Stand Lifting Crane
Fertilizers III	30 Green	Headstart Fertilizer II Farming Fertilizer II Rich Growth Elixir
Sewing Basics	40 Green	Supply: Clothes I Lace Sewing Table
Mead Making	40 Green	Mead Brewing Stand
Garden Improvement II	100 Green 25 Blue	Garden Upgrade II
Brewing	40 Green	Beer Supply: Beer Brewing Stand
Oven II	60 Green 10 Blue	Kitchen Oven II
Vegetable Supplies	50 Green 15 Blue	Supply: Vegetables Kitchen I
Bed Improvement	50 Green	Upgrade Bed Home Renovation
Preservation Supplies	60 Green 20 Blue	Supply: Preserves I Kitchen: Sealing Machine
Flour Supplies	70 Green 20 Blue	Supply: Flour Sack Kitchen: Millstone
Zombie Vineyard	70 Green 50 Blue	Gardener Stand Porter Station
Preservation Supplies II	80 Green 20 Blue	Supply: Preserves II Kitchen II
Fertilizers IV	90 Green	Farming Fertilizer III Harvest Prayer Miracle Growth Elixir
Fishing III	75 Green	Advanced Rod Insect Bait
Vineyard Improvement	90 Green 25 Blue	Vineyard Upgrade
Winemaking	100 Green	Wine Supply: Wine Wine Barrel
Fishing IV	100 Green	Pro Rod Live Bait

Anatomy and Alchemy tech tree

Zombie defense in Graveyard Keeper 2 — Credit: Lazy Bear Games

ANATOMY AND ALCHEMY TECH TREE RESEARCH	REQUIREMENTS	UNLOCKS: RECIPES AND BLUEPRINTS
Autopsy, Basic	Unlocked	Autopsy Table I Corpse Pallet I
Wooden Sign	Free	Wooden SIgn
Body Places I	5 Red 5 Green	Ash Crematorium I
Soft Parts	Unlocked	Remove Flesh Remove Blood Remove Fat
Wooden Gravestones I	5 Red 2 Green	Wooden Cross I Wooden Fence I
Graveyard Keeper I	2 Red 5 Green	Grave Area I Exterior Bench I
Alchemy, Basic	Free	Dream Dust Flask Shelf Laboratory I
Skin and Bones	5 Green 2 Blue	Remove and replace skin Remove and replace bones Butcher’s Kit
Wooden Gravestones II	20 Red 5 Blue	Wooden Cross II Wooden Fence II
Graveyard Keeper II	5 Red 5 Green 5 Blue	Grave Area II Monument I
Alchemy, Distillation	5 Red 5 Green	Melted Fat Starter Alchemist’s Kit Distillation Cube
Skull and Teeth	5 Red 5 Blue	Remove and replace skull tooth
Columbarium I	10 Green 10 Blue	Urn with Ashes I Columbarium Area I Columbarium I
Graveyard Keeper III	20 Red 20 Green	Grave Area III Flower Bed I
Autopsy, Advanced	20 Blue	Remove and replace heart Remove and replace guts Surgeon’s Kit
Laboratory II	20 Red 40 Green	Alchemist’s Kit Laboratory II
Embalming I	50 Red 10 Blue	Solution for Corpses Preservative Embalming Table I
Stone Gravestones I	50 Red 10 Blue	Gravestone I Stone Fence I
Graveyard Decor I	40 Green 10 Blue	Walkway Area I Lantern I
Battle Potions II	25 Red 25 Green 25 Blue	Healing Potion II Zombie Motivator Potion Berserker POtion
Autopsy, Master	10 Red 30 Green 10 Blue	Remove and replace brain Master Surgeon’s Kit Autopsy Table II
Mixed Graveyard I	30 Green 30 Green 10 Blue	Mixed Area I Crypt
Graveyard Keeper IV	80 Red 20 Blue	Grave Area IV Monument II
Body Places II	50 Red 50 Green	Crematorium II Corpse Pallet II
Graveyard Path and Fence I	20 Red 20 Green 20 Blue	Prayer for Repose Upgrade Fence I Upgrade Road and Paths
Reanimation Liquid	30 Red 40 Green 50 Blue	Solution for Zombies Alcohol Reanimation Liquid
Stone Gravestones II	100 Red 30 Blue	Gravestone II Stone Fence II
Mixed Graveyard II	50 Red 50 Green 30 Blue	Mixed Area II Flower Bed II
Transmutation I	40 Green 40 Blue	Third Eye Salt Spices
Battle Potion III	70 Red 70 Green 70 Blue	Damage Potion II Zombie Motivator Potion II Berserker Potion II
Reanimation II	100 Blue	Golden Zombie Collar Hypno Prayer
Marble Gravestones I	200 Red 50 Blue	Marble Cross I Marble Fence I
Mixed Graveyard III	80 Red 80 Green 40 Blue	Mixed Area III Monument III
Alchemy, Advanced	200 Red 100 Blue	Good Alchemist’s Kit Philosopher Stone Umami
Embalming III	150 Red 150 Blue	Injection for Corpses Injection for Zombies Embalming Table II
Graveyard Path and Fence II	100 Red 100 Green 100 Blue	Upgrade Fence II
Practical Potions	100 Green 100 Blue	Organ Improver (red skull) Organ Improver (white skull)
Crafting Potions	100 Red 80 Green	Tannin Liquid Alkali
Reanimation III	300 Blue	Steel Zombie Collar
Marble Gravestones II	300 Red 100 Blue	Marble Cross II Marble Fence II
Columbariums II	150 Green 100 Blue	Urn with Ashes II Columbarium Area II Columbarium II
Graveyard Decor II	200 Red 100 Green 100 Blue	Exterior Bench II Lantern II Flower Bed III

Theology tech tree in Graveyard Keeper 2

Unlocked a bit later in the story.

Performing a sermon in Graveyard Keeper 2 official screenshot — Credit: Lazy Bear Games

THEOLOGY TECH TREE RESEARCH	REQUIREMENTS	UNLOCKS: RECIPES AND BLUEPRINTS
Writing Basics	5 Red 5 Green	Leather Scroll Writing Desk
Church Cleaning	Unlocked Instantly	Interior Bench I Improve the Church I
Writing Supplies	10 Red 5 Blue	Clean Paper ink Science Kit I
Religious Writing I	5 Red 5 Green 20 Blue	Faith Prayer Money Prayer
Church Furniture I	10 Red 5 Blue	Confession Booth I Church Shrine I
Church Lighting I	5 Red 10 Green 5 Blue	Simple Candle Candelabra I Formulation Bench
Delicate Work	10 Red 10 Green 15 Blue	Bronze Talisman Jewelry Table
Books I	20 Red 20 Green 10 Blue	Blank Softcover Notebook Story Primer
Church Smells I	10 Red 50 Green 30 Blue	Simple Incense Fragrance Church Smells I
Church Carpets	20 Red 5 Green 10 Blue	Improve the Church II Interior Bench II
Writing Tools I	80 Green 80 Blue	Science Kit II Silver Talisman
Newspaper	30 Red 10 Green 20 Blue	Newspaper Printing Press
Church Music I	50 Red 20 Blue	Music Notes Choir
Church Lighting II	5 Red 20 Green 20 Blue	Pretty Candle Candelabra II
Self-Help Books	50 Red 50 Green 50 Blue	Red Techbook Green Techbook Blue Techbook
Books II	30 Red 30 Green 20 Blue	Dictionary Story Newspaper
Religious Writing II	10 Red 10 Green 40 Blue	Combo Prayer Prayer for Excellence Combat Prayer
Church Furniture II	50 Red 20 Green 30 Blue	Confession Booth II Church Shrine II
Church Smells II	10 Red 100 Green 100 Blue	Fancy Incense Church Smells II
Storytelling I	80 Green 80 Blue	Story* Newspaper*
Paper Press	50 Red 10 Blue	Paper Glop Clean Paper Paper Press
Writing Tools II	20 Red 20 Green 50 Blue	Blank Hardcover Notebook Glossary Precious Trinkets
Church Illumination	100 Red 20 Green 50 Blue	Improve the Church III Interior Bench III
Self-Help Books II	100 Red 100 Green 100 Blue	Red Techbook II Green Techbook II Blue Techbook II
Fine Jewelry	30 Red 30 Green 70 Blue	Golden Talisman Prayer for Likes
Church Music II	150 Red 100 Blue	Organ
Church Furniture III	100 Red 70 Green 80 Blue	Confession Booth III Church Shrine III Church Smells III
Church Lighting III	50 Red 50 Green 100 Blue	Magnificent Candle Candelabra III