Popular Mods

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1.4.2 for KSP 1.12.5

Far Future Technologies

Optimistic but generally viable future spacecraft technologies.

Far Future Technologies

1.0.2 for KSP 1.12.5

Planetside Exploration Technologies

Surface base, MMSEV, & wind turbine parts

Planetside Exploration Technologies

v1.4.0 for KSP 1.11.2

Improved Tree Engine Placement

Techtree mod that adds an additional propulsion line

Improved Tree Engine Placement

03Aug21 for KSP 1.12.2

Kerbalized National Flags and Space Agencies

Kerbalized National and Regional flags. Space Agencies for the Contract window. Decal Textures for a wide variety of uses. Links to required mods below.

Kerbalized National Flags and Space Agencies

4.5.3 for KSP 1.12.3

TextureReplacer

Kerbal personalisation, IVA suits on Kerbin and texture replacement and improvements.

TextureReplacer

0.1.17.5 for KSP 1.12.5

FuseBox Continued

Keep track of your electrical usage in the Editor and in Flight

FuseBox Continued

6.99.3.0 for KSP 1.12.5

Extraplanetary Launchpads

Allows you to build vessels in any location, not just at the KSC.

Extraplanetary Launchpads

1.28.2 for KSP 1.12.5

Snacks Continued

Friendly, lightweight life support

Snacks Continued

20250530 for KSP 1.12.5

Engineering Tech Tree

A tech tree based on engineering/scientific principles that is challenging to unlock yet fun to play through.

Engineering Tech Tree

4.0.2.7 for KSP 1.9.1

SimpleConstruction! (SCON) by matterbeam

This mod aims to provide simple craft building capability in flight mode to stock parts.

SimpleConstruction! (SCON) by matterbeam

1.0.6 for KSP 1.12.5

Firefly

A mod for Kerbal Space Program that enhances reentry and aerodynamic effects.

Firefly

0.8.99.5-prerelease for KSP 1.12.4

Keridian Dynamics (KDVA) by Eleusis La Arwal

Parts pack for resource-conversion and vessel-assembly for Kerbal Space Program.

Keridian Dynamics (KDVA) by Eleusis La Arwal

1.2.13 for KSP 1.12.5

Precise Node Continued

Yet another maneuver node editor. Plus.

Precise Node Continued

1.3.0.0-release for KSP 1.12.3

Solar Science (SOL) by Snoopy20111

A small addon adding two scientific instruments for experiments around Kerbol, the sun. Both are based on instruments currently aboard the SOHO and STEREO spacecraft, respectively.

Solar Science (SOL) by Snoopy20111

0.6 for KSP 1.12.5

ColdWarAerospace

Cold War era parts- cockpits, engines, vehicles and more! Just put "ColdWarAerospace" folder inside Kerbal Space Program/"Gamedata" folder. Read INFO.pdf file for requirements.

ColdWarAerospace

3.1.0 for KSP 1.12.5

KerbalStats

KerbalStats is a KSP mod for keeping track of extra information about the kerbals in your game.

KerbalStats

2.4.1.4 for KSP 1.12.5

Action Groups Extended

250 Action Groups, in-flight editing

Action Groups Extended

2.9.14.2 for KSP 1.12.5

SmartStage

Smartstage, intelligent VAB reset button

SmartStage

v3.0.1 for KSP 1.12.5

ASET Consolidated Avionics Pack

An Aircraft-style "props" pack for use in IVAs.

ASET Consolidated Avionics Pack

0.4.11.3 for KSP 1.12.5

Kerbal Launch Failure

Random launch failures

Kerbal Launch Failure

1.9.1.2 for KSP 1.9.1

Universal Storage II

Universal Storage is a modular parts mod, allowing you to build custom service modules. It is highly integrated with 3rd part life support mods, DMagic Orbital Science and Kerbal Inventory System.

Universal Storage II

1.1.6.4 for KSP 1.12.5

Part Commander Continued

Quick access to part right-click action menus

Part Commander Continued

1.9.1.2 for KSP 1.12.5

Goo Pumps & Oils' Speed Pump (GPOSP)

This addon allows simple automatic resource transfer and balance.

Goo Pumps & Oils' Speed Pump (GPOSP)

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

0.9.99.0 for KSP 1.12.2

MoarKerbalsParts

Beautiful Parts for MoarKerbals

MoarKerbalsParts

2.2.0.0 for KSP 1.12.2

OhScrap! (OHS) by severedsolo

Part Failures: Parachutes, Engines, Gimbals, Resources, Batteries, Reaction Wheels, Control Surfaces and more! Using ScrapYard for Kerbal Space Program.

OhScrap! (OHS) by severedsolo

2.7 for KSP 1.8.1

Contract Reward Modifier

An in-game utility for customizing all contract and parameter rewards and penalties, among other options.

Contract Reward Modifier

1.4.0 for KSP 1.12.5

Artemis Construction Kit

Adds parts inspired by NASA's Artemis missions including Orion & SLS

Artemis Construction Kit

3.23.20250710 for KSP 1.12.5

SIMPLEX Kerbalism

Kerbalism Simplex provides simplified Life Support resource system with a more stock feel

SIMPLEX Kerbalism

2.1.0 for KSP 1.12.5

SSTO Project

SSTO project add wide range of high-performance spacecraft parts

SSTO Project

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