Extended Tech Tree - Download Mod for HOI 4

Transform HOI4 into Cold War strategy with advanced tech trees, modern units, and expanded warfare options. Download now to extend HOI4 for free.

Overview Extended Tech Tree 1960

Extended Tech Tree 1960 (ETT60) stands as a premium total conversion mod that transforms Hearts of Iron IV into a Cold War military strategy. Taking inspiration from historical military developments, this ambitious mod extends the game's timeline while maintaining Paradox's authentic strategic gameplay feel.

What is Extended Tech Tree 1960?

Unlike typical HOI4 mods, ETT60 stays true to Paradox's original vision while vertically expanding the tech tree to 1960. Experience the thrill of developing nuclear-powered ships, deploying helicopter squadrons, and commanding missile destroyers - all within a carefully balanced historical framework.

Deep Dive Into Military Innovations

The mod introduces three revolutionary aspects that change how you wage war:

Advanced Military Technology

Cutting-edge tank designs with customizable components
Modern naval vessels including missile submarines
Revolutionary air units featuring VTOL aircraft
Tactical missile systems and advanced radar networks

Evolved Doctrine Systems

NATO-inspired Full Spectrum Operations
Warsaw Pact Operational Depth Warfare
Modern Maneuver Warfare concepts
Defensive Posture strategies for minor nations

Enhanced Designer Mechanics

Completely rebuilt tank designer with historical configurations
Expanded ship design options including nuclear propulsion
Advanced aircraft customization with modern components

Is Extended Tech Tree 1960 appropriate for new HOI4 players?

While ETT60 maintains HOI4's core gameplay mechanics, its complexity makes it most suitable for experienced players. New players should master the base game before diving into this expanded experience.

How long does it take to research all technologies?

A typical playthrough extends to 1965, requiring approximately 20-25 hours to fully explore the tech tree. However, strategic choices about research priorities mean most games will focus on specific advancement paths rather than complete technology development.

How to Download and Install Mod for Hearts of Iron 4?

If you've downloaded the "Extended Tech Tree 1960" mod for Hearts of Iron 4 but aren't sure how to install it, don’t worry. Our website has a detailed guide on how to install mods for Hearts of Iron 4.

For advanced users: simply copy all files and folders from the archive into the folder located at Documents\Paradox Interactive\Hearts of Iron IV\mod and enable the mod in the game launcher.

PROS

Massive technology expansion with historical accuracy
Comprehensive doctrinal reworks
Immersive Cold War progression
Enhanced designer systems for all major unit types
Dynamic resource exploration system

CONS

Incompatible with other mods
Steep learning curve for new players

FAQs

No, ETT60 extensively modifies core game files and must be run independently.

Performance impact is minimal if your system meets HOI4's base requirements.

Yes, thanks to specialized AI templates and behavior patterns included in the mod.

Yes, the mod maintains historical progression from early game through 1965.

Extended Tech Tree 1960