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The Technology Tree is one of the Game Mechanics in Frostpunk.

Description[ | ]

Upon construction of a Workshop, engineers may be assigned to research and develop ideas on new buildings and technological improvements. Technological Improvement has the general effects of boosting exploration, improving insulation in the home/workplace, increasing resource gathering rates, and upgrading the power/efficiency of heating sources. Technological development is crucial to building a viable city: sound planning and prioritization of technologies will prevent crises and allow a greater level of adaptation and manageability when challenges present themselves. In certain scenarios, some technologies may be required to be researched to be able to finish objectives. Some technologies may also be "found" or entirely absent depending on the scenario played.

The Tech Tree itself is presented visually upon the construction of the first workshop to provide insight regarding the interrelation of technologies and the order in which each branch must be researched. The tree is further organized into tiers (0 to 5). While these tiers don't provide direct benefits, they must be unlocked by researching them so one can acquire more advanced technologies in that tier. The tiers are also dependent, requiring the previous tier to be unlocked first before one can access the next.

The following tree represents workshop tiers on the left side and technology unlocked by this tier are shown on the same row to the right of the tier mention. The following graph also displays the 4 tabs offered by the tech tree, where each tab provides options and upgrades to different sectors of the city. The upgrades in each tab are unaffected by upgrades in other tabs although the tiers apply to the whole tree.

Having multiple manned workshops will increase research rate but not necessarily in a linear fashion, using children as engineering apprentices will also provide an additional boost. Automatons may also operate a workshop non-stop if upgraded to do so.

Technology Tree[ | ]

Generator Construction[ | ]

Workshop (T0)
 
Profiles Manufacture
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Drawing Boards (T1)
 
 
 
 
 
 
Protective Structures
 
 
 
 
 
 
 
 
 
Machine Shop
 
 
 
 
 
Ventilation Plant
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Drafting Machines (T2)
 
Optimised Materials
 
 
 
 
 
 
Foundry
 
 
 
 
 
 
 
 
 
 
Supercharge
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mechanical Calculators (T3)
 
Safety Improvements (Profiles Manufacture)
 
Optimised Protection
 
 
 
 
 
 
Innovative Process
 
Safety Improvements (Machine Shop)
 
 
 
 
 
 
Ventilation Plant Cooling
 
Efficient Fans
 
Generator Upgrade: Riser System
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Difference Engine (T4)
 
 
 
 
 
 
 
 
 
Safety Improvements (Foundry)
 
 
 
 
 
Redesigned Templates
 
Advanced Supercharge
 
 
 
 
 
 
 
 
 
 
 
Generator Upgrade: Overdrive
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Automatic Prototyping (T5)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Ventilation Plant Integration
 
High Flow Fans
 
Generator Upgrade: Heat Vents

Heating[ | ]

This tech tab, depending on scenario, provides improvements to the Generator, Steam Hubs, Heaters, Braziers, and the Repair Station. The maps below are interactive: click the technologies to view a brief description and access the pages.

The Technology Tree for Heating available in all Endless modes, A New Home, The Arks, and The Refugees:


The Technology Tree for Heating available in The Fall of Winterhome:


The Technology Tree for Heat (Heating) available in The Last Autumn:


The Technology Tree for Heating available in On The Edge:


Exploration & Industry[ | ]

This tech tab, depending on scenario, provides improvements to scouting, Outposts, and the Factory.

The Technology Tree for Exploration & Industry used in A New Home:


The Technology Tree for Exploration & Industry used in The Arks:


The Technology Tree for Exploration & Industry used in The Refugees: Map:Technology Tree: Exploration & Industry (The Refugees)

The Technology Tree for Exploration & Industry used in The Fall of Winterhome: Map:Technology Tree: Exploration & Industry (The Fall of Winterhome)

The Technology Tree for Exploration & Industry used in On The Edge:


The Technology Tree for Exploration & Industry used in all Endless Modes:


Resources[ | ]

This tech tab provides options to improve resources gather rate and workplace insulation.

Workshop (T0)
 
Faster Gathering
 
 
 
 
 
Coal Thumper
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Sawmill
 
 
 
 
 
Steelworks
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Drawing Boards (T1)
 
 
 
 
 
 
Resource Depot Upgrade
 
 
 
 
 
 
Coal Mining
 
 
 
 
 
Charcoal Kiln
 
Sawmill Upgrade
 
 
 
 
 
 
Wall Drill
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Drafting Machines (T2)
 
Gathering Post Insulation
 
Large Resource Depot
 
Steam Coal Thumper
 
 
 
 
 
 
Coal Mining Optimisation
 
Charcoal Kiln Thermostat
 
 
 
 
 
 
Steam Sawmill
 
 
 
 
 
 
Steam Steelworks
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mechanical Calculators (T3)
 
 
 
 
 
 
Efficient Gathering
 
 
 
 
 
 
Steam Coal Mine
 
 
 
 
 
 
Charcoal Kiln Bellows
 
 
 
 
 
 
 
 
 
 
Steam Wall Drill
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Difference Engine (T4)
 
Gathering Post Insulation II
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Coal Mining Rationalisation
 
 
 
 
 
Sawmill Range Extension
 
 
 
 
 
 
 
 
 
 
Advanced Steelworks
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Automatic Prototyping (T5)
 
 
 
 
 
 
 
 
 
Coal Thumper Injectors
 
Advanced Coal Mine
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Advanced Wall Drill
 
 
 


Workshop (T0)
 
 
 
 
 
Docks
 
 
 
 
 
 
 
 
 
 
Wooden Supports
 
Handcarts
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Drawing Boards (T1)
 
Faster Reloading
 
 
 
 
 
 
Reloading Station
 
 
 
 
 
 
Mixed Crews
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Drafting Machines (T2)
 
 
 
 
 
Upgraded Docks
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Freight Elevators
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mechanical Calculators (T3)
 
 
 
 
 
 
 
 
 
 
Steam Reloading Station
 
 
 
 
 
 
Army Warehouse Insulation
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Difference Engine (T4)
 
 
 
 
 
Advanced Docks
 
 
 
 
 
 
Gathering Optimisation
 
 
 
 
 
 
Straddle Carriers
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Automatic Prototyping (T5)
 
 
 
 
 
 
 
 
 
Advanced Reloading Station
 
 
 
 
 
 
Steam Lorries
 
 
 

Food, Health & Shelter[ | ]

This tech tab provides improvements to food gathering, upgrading of shelter/medical facility insulation and the effectiveness of medical treatment.

Workshop (T0)
 
 
 
 
 
 
 
 
 
 
 
 
 
Hunters' Gear
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Drawing Boards (T1)
 
Hothouse
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Medical Post Upgrade
 
 
 
 
 
Bunkhouse
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Drafting Machines (T2)
 
 
 
 
 
 
Hothouse Insulation
 
Hunting Tactics
 
Flying Hunters
 
Healthcare Insulation
 
Infirmary
 
 
 
 
 
 
 
 
 
 
Cookhouse Insulation
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mechanical Calculators (T3)
 
Industrial Hothouse
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Infirmary Mechanisation
 
House
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Difference Engine (T4)
 
 
 
 
 
 
Hothouse Insulation II
 
 
 
 
 
Flying Hunters' Gear
 
 
 
 
 
 
Infirmary Checklists
 
 
 
 
 
 
 
 
 
 
House Redesign
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Automatic Prototyping (T5)
 
Hothouse Selection
 
 
 
 
 
 
 
 
 
 
 
 
 
Healthcare Insulation II
 
 
 
 
 
 
 
 
 
House Insulation
 
 
 
 


Workshop (T0)
 
 
 
 
 
Foragers Quarters
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Drawing Boards (T1)
 
More Foragers
 
 
 
 
 
Forager Carts
 
 
 
 
 
Fishing Harbour
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Drafting Machines (T2)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Finer Mesh
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mechanical Calculators (T3)
 
Additional Foragers
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Difference Engine (T4)
 
 
 
 
 
 
 
 
 
Boosted Forager Carts
 
 
 
 
 
Advanced Fishing Harbour
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Automatic Prototyping (T5)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Unique Technologies[ | ]

Unique technologies refer to technologies that are exclusively available or unavailable depending on the scenario played. These include the following:

Exclusively Available[ | ]

The Arks[ | ]

A New Home[ | ]

The Fall of Winterhome[ | ]

The Last Autumn[ | ]

On The Edge[ | ]

Exclusively Unavailable[ | ]

The Arks[ | ]

The Last Autumn[ | ]

  • All Steam Hub upgrades.
  • All Generator power, efficiency, overdrive, and range upgrades.
  • All Hothouse upgrades.
  • All Hunters' Huts upgrades.
  • All Outpost upgrades.

On The Edge[ | ]

  • All Steam Hub upgrades.
  • All Generator power, efficiency, overdrive, and range upgrades.
  • All Hothouse upgrades.
  • All Hunters' Huts upgrades.
  • All Steelworks upgrades.
  • All Outpost upgrades.
  • All Wall Drill upgrades.

External links[ | ]

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