Popular Mods

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3.4.5 for KSP 1.12.5

Community Tech Tree

Community Tech Tree expands the stock technology tree to accommodate many community mods in an inclusive and extensible manner

Community Tech Tree

1.3.6 for KSP 1.12.5

Near Future Propulsion

Ion and plasma engines with two new fuels!

Near Future Propulsion

2.0.1 for KSP 1.12.5

Near Future Electrical

Nuclear reactors and power systems

Near Future Electrical

1.29.6 for KSP 1.12.5

KSP Interstellar Extended

KSPI-E is a plugin designed to encourage bootstrapping toward ever more advanced levels of technology as well as utilizing In-Situ resources to expand the reach of Kerbal civilization

KSP Interstellar Extended

1.3.4 for KSP 1.12.5

Kerbal Atomics

Fancy nuclear engines for fun and profit

Kerbal Atomics

0.6.2 for KSP 1.12.5

Heat Control

This part pack is designed to provide players with more flexibility when dissipating heat on their vessels

Heat Control

2.1.2 for KSP 1.12.5

Near Future Aeronautics

Advanced aircraft engines and accessories

Near Future Aeronautics

v1.14.0 for KSP 1.12.5

Bluedog Design Bureau

Adds stockalike Apollo, Saturn, Titan, Atlas and many many other things besides

Bluedog Design Bureau

1.9.3 for KSP 1.12.3

MissingHistory

Handy parts to complement Making History.

MissingHistory

0.2.5 for KSP 1.12.5

Recycled Parts

Old mods recycled

Recycled Parts

1.4.2 for KSP 1.12.5

Far Future Technologies

Optimistic but generally viable future spacecraft technologies.

Far Future Technologies

0.3.99.0-adoption for KSP 1.12.5

Sea Dragon (SEA) by NecroBones

The infamous, never-built Sea Dragon rocket, in its full scale glory!

Sea Dragon (SEA) by NecroBones

v1.4.0 for KSP 1.11.2

Improved Tree Engine Placement

Techtree mod that adds an additional propulsion line

Improved Tree Engine Placement

2.1.0 for KSP 1.12.5

SSTO Project

SSTO project add wide range of high-performance spacecraft parts

SSTO Project

1.4.0 for KSP 1.12.5

AtomicTech Inc. Junkyards

More Command Pods, Base/Station Parts, Nuclear Engines and, Old KSP Parts with new uses.

AtomicTech Inc. Junkyards

1.1.0.0 for KSP 1.12.2

Olympic1's ARP Icons

Add icons to popular mods!

Olympic1's ARP Icons

2.29 for KSP 1.12.5

TETRIX TechTree

An extended TechTree in the style of Simplex, with additional nodes to better support mods.

TETRIX TechTree

0.3.1 for KSP 1.12.5

Future Technologies Expansion: Frontier Aeronautics

New fusion powered nuclear thermal jet engine

Future Technologies Expansion: Frontier Aeronautics

0.9.6.8 for KSP 1.11.0

Thor Tech

Electric engines and complementary parts, old-school and sci-fi, for your early and late-game spaceplane needs.

Thor Tech

Beta_1.0 for KSP 1.12.2

UTech Nuclear Science Ink.

In this mod, there are some simple parts like engines, tanks, reactors etc working with nuclear fusion and antimatter.

UTech Nuclear Science Ink.

v0.84b for KSP 1.3.1

NKD - North Kerbin Dynamics for BDArmory

The first mod ever in KSP to add a proper nuclear bomb! This mod contains many destructive weapons and great effects for them to boot :)

NKD - North Kerbin Dynamics for BDArmory

1.1.0 for KSP 1.11.0

B9 HX Reconfig

Brings contemporary performance buffs and gameplay features to B9 HX megaship parts

B9 HX Reconfig

0.5.1 for KSP 1.12.5

CSI Tech Tree

Cruesoe Space Industries Tech Tree - Unmanned before Manned Tech Tree, with [hopefully) logical progression.

CSI Tech Tree

2.0.200524 for KSP 1.9.1

Super Heavy Boosters Historical - Nexus

The Nexus was one of the post-Saturn designs for boosting very large payloads into orbit and beyond. Was never built. This is a half sized Nexus for the half sized Kerbals

Super Heavy Boosters Historical - Nexus

0.1.0.4 for KSP 1.12.5

BurstAtomicThrustModule

Allow a type of afterburner effect on atomic engines

BurstAtomicThrustModule

v2.4.2 for KSP 1.10.1

Next Star Industries

Next Star Industries has several divisions in its ranks from basic ship building parts, to a highly developed mining division, plus a well rounded military division.

Next Star Industries

0.13.0 for KSP 1.12.3

Whirligig World

You spin me right around, baby! A unique homeworld in an alien solar system, dozens of new bodies to explore.

Whirligig World

1.8.1 for KSP 1.9.0

GTIndustries

GTIndustries (GTI) have spend their entire budget on R&D. The results are four new products (plugins). -- GTI MultiModeEnginesFX -- GTI MultiModeEngines -- GTI MultiModeIntakes -- GTI MultiModeConverter

GTIndustries

1.0.12 for KSP 1.1.2

Thermonuclear Turbines

Nuclear Aircraft and Space Plane Engines

Thermonuclear Turbines

3.2 for KSP 1.0.5

Atomic Age

Nuclear Propulsion for Nuclear People

Atomic Age

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