Popular Mods

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1.2.0 for KSP 1.12.5

VaporCones

VaporCones adds a vapor cone effect to high-speed flight in Kerbal Space Program.

VaporCones

v0.18.0.0 for KSP 1.12.2

TAC Life Support

Kerbals require resources to survive, whether in a vessel or on EVA: Food, Water, Oxygen, Electricity (for air quality and climate control)

TAC Life Support

Beta_v0.5 for KSP 1.12.3

Starship Launch Expansion

Starship Launch Expansion is a mod that collects Starbase real life launch pads, towers, stands and all the stuff necessary to support your Starship launches in KSP. All the parts are designed to withstand the power of every launch without exploding (hopefully).

Starship Launch Expansion

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

1.19 for KSP 1.12.1

Surface Mounted Lights

This package provides extra lighting parts that allow illuminating station or vessel to make it more nice and usable in the dark.

Surface Mounted Lights

v4.0.8 for KSP 1.12.1

RealPlume - Stock

RealPlume, originally developed for Realism Overhaul enables great looking plumes that display realistic behavior by expanding with lower atmospheric pressure. This mod brings RealPlume to stock parts and to various stock-alike mods. With Nhawks17 blessing, this is a continuation of RealPlume-Stock.

RealPlume - Stock

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

1.7.6 for KSP 1.12.5

QuantumStrutsContinued

Magical Struts for Rigidifying Outside the VAB!

QuantumStrutsContinued

3.1.1 for KSP 1.11.1

OPT Spaceplane Continued

The "Main" pack from OPT. No more old plugin bundles. *Requires* Reconfig.

OPT Spaceplane Continued

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

0.4.1 for KSP 1.12.1

Interstellar Technologies - A KSPI-E Expansion

Interstellar Technologies, to the stars and beyond.

Interstellar Technologies - A KSPI-E Expansion

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

2.0.1.2 for KSP 1.12.5

Modular Computer Package Revived

This is a small parts pack which provides a configurable computer core

Modular Computer Package Revived

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

1.12.1 for KSP 1.12.5

MOIST! Underwater Technologies

Take the adventure, Underwater!

MOIST! Underwater Technologies

1.1.3 for KSP 1.12.5

ModuleDepthMask

Portable Holes for your Parts!

ModuleDepthMask

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

0.3.1.2 for KSP 1.12.5

Tokamak Refurbished Parts

Used and Refurbished Parts; it's not old, it's a classic

Tokamak Refurbished Parts

1.1.0.1 for KSP 1.12.5

OrbitalColony

Civilian Population Assets with stock only functionality.

OrbitalColony

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

1.3 for KSP 1.12.3

Internal RCS

RCS thrusters without encasement. Cut at 90, 60, 45 and 30 degrees, that can be placed everywhere on your spaceship and not harm aerodynamics.

Internal RCS

1.4.0 for KSP 1.12.5

ReCoupler

Now you can monocouple your bicouplers or build circular stations without spamming struts to close the end!

ReCoupler

0.3.1 for KSP 1.12.5

Retrofuture Space Plane Parts Modernized

A collection of aircraft and spacecraft parts with a retro style

Retrofuture Space Plane Parts Modernized

1.40.20250710 for KSP 1.12.5

SIMPLEX TechTree

AngleCan SIMPLEX TechTree is a rework of the Stock Tech Tree.

SIMPLEX TechTree

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

0.1.4.2 for KSP 1.12.5

The SSR MicroSat: 0.35m Probe Parts Revived

Small satellite parts

The SSR MicroSat: 0.35m Probe Parts Revived

1.0.6 for KSP 1.12.5

Firefly

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

Firefly

0.15.2 for KSP 1.12.5

RLA Reborn

Parts to fill stock niches

RLA Reborn

0.4.0-181 for KSP 1.12.5

Hangar Grid

Simplifies vessel design by adding a visual "laser" grid and an automatic alignment tool to SPH and VAB

Hangar Grid

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