Difference Engine (Technology)

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Difference Engine
Drawing Boards.png
Allow us to research Tier 4 technologies.
Tier 4
Unlocks
Technologies
Time
Easy 9 hours
Medium 11 hours
Hard 15 hours
Extreme 17 hours
Cost
Prerequisite Mechanical Calculators
Wood.png Wood 125
Steel.png Steel 75


Difference Engine is one of the Technologies in Frostpunk. It is necessary to unlock the fourth tier of technologies.

Summary[edit | edit source]

The Difference Engine technology is the fourth of 5 special technologies which do not unlock anything directly related to the game world, but instead allow the researching of other technologies by expanding the Workshops' capacity to research. The technology following Difference Engine is Automatic Prototyping. The prerequisite to researching Difference Engine is Mechanical Calculators, having any workshops with working engineers, and 125 Wood and 75 Steel.

> > > Technology Progression > > >

WorkshopDrawing BoardsDrafting MachinesMechanical CalculatorsDifference EngineAutomatic Prototyping

Unlocked Technologies[edit | edit source]

The regular technologies unlocked by Difference Engine are, by technology tab:

Generator Construction Heating Exploration & Industry Resources Food, Health & Shelter
Safety Improvements[2] Steam Hub Efficiency Upgrade Faster Outpost Teams[4] Advanced Docks[2] Boosted Forager Carts[2]
Redesigned Templates[2] Generator Efficiency Upgrade II Additional Scouts Gathering Optimisation[2] Advanced Fishing Harbour[2]
Advanced Supercharge[2] Advanced Heaters Optimized Prostheses Gathering Post Insulation II Hothouse Insulation II
Optimised Shifts[3] Automaton Integration II Coal Mining Rationalisation Flying Hunters' Gear[5]
Repair Station Efficiency II[3] Medical Automatons Sawmill Range Extension Infirmary Checklists
Engineer Automaton Advanced Steelworks House Redesign

[1]: exclusive to The Arks
[2]: exclusive to The Last Autumn
[3]: exclusive to The Fall of Winterhome
[4]: not available in Endless mode
[5]: not available in The Arks