Tech Tree

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• Techs To List = Prerequisite technologies that must be open in the region to get the target tech listed on the university.
• Techs For Mats = Additional technologies required for research materials for the target technology
  • If they are not already in the prerequisite chain for that tech.
  • Only the terminal tech in the additional chain is listed.
• Please use the Discussion page for questions/comments/discussions.

• Visual Representation of the T4 Tech Tree

Technology	University	Techs To List	Techs For Mats
Advanced Animal Husbandry	Worship	Animal Husbandry	Agriculture (vegetables)
Advanced Automation	Architecture	Brick Automation	Advanced Metallurgy 3 (for thoth metal and water metal)
Advanced Blacksmithing 1	Art & Music	Blacksmithing Casting
Advanced Blacksmithing 2	Art & Music	Advanced Blacksmithing 1	Advanced Metallurgy 5
Advanced Chemistry 1	Thought	Advanced Glassblowing
Advanced Chemistry 2	Thought	Advanced Chemistry 1
Advanced Charcoal Production	Body	Basic Charcoal Production	Blacksmithing (copper sheeting)
Advanced Glassblowing	Art & Music	Glassblowing Basic Chemistry	Advanced Metallurgy 1 (steel sheeting)
Advanced Horticulture	Worship	Horticulture	Entomology (Khefre's essence) Herpeculture (cobra skin)
Advanced Marble Mechanics	Harmony	Marble Mechanics
Advanced Metallurgy 1	Harmony	Metallurgy
Advanced Metallurgy 2	Harmony	Advanced Metallurgy 1
Advanced Metallurgy 3	Harmony	Advanced Metallurgy 2
Advanced Metallurgy 4	Harmony	Advanced Metallurgy 3
Advanced Metallurgy 5	Harmony	Advanced Metallurgy 4
Agriculture	Worship	None	None
Airship Construction	Art & Music	None	Bunches....
Alternative Fuels	Architecture	Deep Well Construction	None
Ambrosia Brewing	Worship	Beer Brewing?	Viticulture (for the wine)
Ancient Mechanics	Architecture	Carpentry Automation Loom Automation Mine Automation
Animal Husbandry	Worship	None	None
Aromatics	Body	Advanced Blacksmithing 1
Automatic Charcoal Production	Architecture	Advanced Automation
Automation	Architecture	Gearbox Design
Avian Selection	Worship	Barley Cultivation	Stonecutting (cut stones)
Barley Cultivation	Worship	Agriculture	None
Basic Charcoal Production	Body	Controlled Burn	None
Basic Chemistry	Thought	None?	Blacksmithing (metal products) Casting (normal glass products)
Basic Metal Treatment	Architecture	Advanced Glassblowing	Neutralization (metal salts) Toxin Extraction (arsenic)
Basic Trade	Leadership	Papyrus Paper Fabrication	Basic Chemistry (ink)
Beekeeping	Worship	Animal Husbandry	None
Beer Brewing	Body	Barley Cultivation	Papyrus Paper Fabrication (paper for malting trays)
Blacksmithing	Art & Music	Metallurgy??	None
Brick Automation	Architecture	Automation
Carpentry Automation	Architecture	Advanced Automation
Casting	Harmony	Metallurgy	Beekeeping (Beeswax)
Chariot Repair (1)	Harmony	None	Stonecutting (cut stones)
Chariot Repair (2)	Harmony	Chariot Repair (1)	Advanced Metallurgy 1 (steel for cable)
Chemistry Recipe - Arsenic	Leadership	Advanced Chemistry 1?	Advanced Chemistry 2 (compound extracts) Toxin Extraction (arsenic)
Chemistry Recipe - Explosives	Thought	Advanced Chemistry 1?	Advanced Chemistry 2 (compound extracts) Pyrotechnic Mortar Construction (barrel grinder for aluminum powder)
Chemistry Recipe - Gear Oil	Harmony	Advanced Chemistry 1?	Advanced Chemistry 2 (compound extracts) Deep Well Construction (petroleum)
Chemistry Recipe - Gem Glue	Body	Advanced Chemistry 1?	Advanced Chemistry 2 (compound extracts) Myrmecology (mandibular glue)
Chemistry Recipe - Potash Ointment	Art & Music	Advanced Chemistry 1?	Advanced Chemistry 2 (compound extracts)
Chromatic Touch	Art & Music	The Science of Color	Thistle Gardening (for thistles for silk)
Controlled Burn	Body	None?	Agriculture (leeks) Stonemasonry 1 (limestone tools)
Cross Breeding	Thought	Viticulture Gardening	Advanced Glassblowing (Distillation coils) Horticulture (Lily-of-the-Sea Bulbs)
Crystal Acoustics	Art & Music	Advanced Glassblowing	Structural Pottery (rabbit hutches for rabbit pelts) Thistle Gardening (to feed silkworms for silk cloth)
Deep Well Construction	Harmony	Advanced Metallurgy 1
Detonation	Thought	Advanced Chemistry 1
Distillation	Thought	Basic Chemistry	Beer Brewing Viticulture Advanced Glassblowing (for distillation coils)
Distillation Experiments	Thought	Distillation
Dowsing	Body	None	None
Entomology	Worship	Beekeeping?	Advanced Glassblowing (thermometers)
Ferry Construction 2	Art & Music	Wood Treatment	Thistle Gardening (to feed silkworms for silk cloth)
Fine Balance	Thought	Gem Cutting
Fine Casting	Harmony	Casting	Basic Chemistry (for powdered gems) Advanced Metallurgy 1 (for alloys)
Flax Automation	Art & Music	Automation
Gardening	Worship	Horticulture	Casting (kettles for potash for sheet glass)
Gearbox Design	Architecture	Masonry	Fine Casting (small gears and bearings)
Gem Cutting	Thought	Water Mining	None
Glassblowing	Art & Music	Controlled Burn	None if CB (cc, lime)
Guild Construction	Leadership	None	None
Herbiculture	Worship	Advanced Horticulture	Test of Life (mosses)
Herpeculture	Thought	Avian Selection Advanced Animal Husbandry	Structural Pottery (clay domes for rabbit hutches) The Science of Color (paint)
Herpeculture Experiments Level 1	Thought	Herpeculture
Hive Optimization	Thought	Beekeeping? Basic Chemistry?	Agriculture (vegetables)
Horticulture	Worship	Agriculture	Stonecutting (pottery wheels for jugs)
Improved Brick Rack Construction	Architecture	Blacksmithing	None
Loom Automation	Architecture	Advanced Automation
Marble Mechanics	Harmony	Gearbox Design
Masonry	Architecture	Stonemasonry	Advanced Blacksmithing 1 (sledgehammer for gravel)?
Mass Production of Color	Art & Music	The Science of Color	None
Metallurgy	Harmony	Mining	Stonemasonry (crucibles)
Metallurgy 2	Harmony	Metallurgy	Advanced Metallurgy 1 (for alloys)
Metallurgy 3	Harmony	Metallurgy 2?	Advanced Metallurgy 2 (for moon steel)
Mine Automation	Architecture	Advanced Automation
Mining	Architecture	Glassblowing Stonecutting
Minting	Leadership	Basic Trade?
Modern Sheep Farming	Worship	Advanced Animal Husbandry	Distillation (for spirits) Thistle Gardening
Mutagenics	Thought	Herbiculture Cross Breeding Advanced Chemistry 1	Advanced Glassblowing
Myrmecology	Worship	Advanced Animal Husbandry?	Advanced Glassblowing (for thermometers) Wood Treatment
Neutralization	Thought	Basic Chemistry	None
Obelisk Construction (1)	Architecture	None	None
Obelisk Construction 2	Architecture	Obelisk Construction (1)	Advanced Metallurgy 1 (for pewter)
Obelisk Construction 3	Architecture	Obelisk Construction 2	Masonry (for concrete)
Obelisk Construction 4	Architecture	Obelisk Construction 3	Wood Treatment
Obelisk Construction 5	Architecture	Obelisk Construction 4	Herpeculture (for cobra skin)
Obelisk Construction 6	Architecture	Obelisk Construction 5	Gem Cutting
Obelisk Construction 7	Architecture	Obelisk Construction 6
Papyrus Paper Fabrication	Leadership	None	Blacksmithing (pinch rollers) Casting (medium gears)
Perfuming	Body	The Science of Color	Something for Indo Bee Hives....
Pyramid Construction	All	None	Blacksmithing (wire) Glassblowing (glass rods)
Pyrotechnic Mortar Construction	Art & Music	Neutralization	Papyrus Paper Fabrication (papyrus paper)
Raeli Pottery	Art & Music	Advanced Glassblowing The Science of Color	Gearbox Design (gearboxes)
The Science of Color	Art & Music	Basic Chemistry	None
Seed Registry	Leadership	Cross Breeding	Papyrus Paper Fabrication
Sign Construction	Leadership	None	None
Stellae Construction	Leadership	Sign Construction?	Stonecutting (cut stones)
Stone Automation	Architecture	Automation?	Chemistry Recipe - Gear Oil (lubricating oil) Basic Metal Treatment (treated metal sheeting) Wood Treatment (treated boards)
Stonecutting	Architecture	None	None
Stonemasonry	Architecture	None	None
Stonemasonry 2	Architecture	Stonemasonry	Basic Chemistry (powdered gems)
Storage Improvements	Architecture	Structure Reinforcement?	Gem Cutting Papyrus Paper Fabrication Neutralization (salts of iron for ink) Advanced Metallurgy 1 (steel wire) Test of the Safari (ibis feathers for quills)
Storage Improvements 2	Architecture	Storage Improvements	Advanced Blacksmithing 1 (9500+ quality shovels) Masonry (concrete)
Storage Improvements 3	Architecture	Storage Improvements 2
Structural Pottery	Thought	Advanced Glassblowing	None
Structure Reinforcement	Architecture	Automation
Structure Reinforcement 2	Architecture	Structure Reinforcement	Basic Metal Treatment (treated metal sheeting) Raeli Pottery (raeli tiles)
Taxidermy	Art & Music	None	None
Thistle Gardening	Worship	Gardening?	Wood Treatment (for treated boards)
Toxin Extraction	Thought	None	Advanced Glassblowing (thermometers) Beer Brewing and Advanced Metallurgy 1 (beer kettle kits)
Viticulture	Worship	Blacksmithing	Advanced Metallurgy 1 (alloys for barrel vice)
Water Mining	Thought	Casting	Glassblowing
Wood Treatment	Architecture	Advanced Glassblowing	Deep Well Construction (petroleum)
Xenobotany	Worship	Advanced Horticulture?