Popular Mods

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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

2.9.14.2 for KSP 1.12.5

SmartStage

Smartstage, intelligent VAB reset button

SmartStage

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

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

v1.4.0 for KSP 1.11.2

Improved Tree Engine Placement

Techtree mod that adds an additional propulsion line

Improved Tree Engine Placement

1.2.0 for KSP 1.12.5

VaporCones

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

VaporCones

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

0.1.4.2 for KSP 1.12.5

The SSR MicroSat: 0.35m Probe Parts Revived

Small satellite parts

The SSR MicroSat: 0.35m Probe Parts Revived

1.40.20250710 for KSP 1.12.5

SIMPLEX TechTree

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

SIMPLEX TechTree

1.3.6.2 for KSP 1.12.5

Retracting/vectoring engines, Critter Crawler

Some cool parts

Retracting/vectoring engines, Critter Crawler

1.4.2 for KSP 1.12.3

SimpleFuelSwitch

Toggle tanks' fuel type in the editor (e.g. choose between LFO and liquid-fuel-only). Simple and lightweight.

SimpleFuelSwitch

2.0.1 for KSP 1.9.1

Color Coded Canisters

Stock-re lplacement models and textures for rocket fuel tanks! Cleaner, prettier, and color-coded end-caps for ease of use in the VAB/SPH menus.

Color Coded Canisters

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

1.14.0 for KSP 1.12.5

Modular Rocket Systems LITE

A pack of stock-alike parts that fill in some gaps in the stock lineup. LITE version only has the more interesting and unique parts!

Modular Rocket Systems LITE

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

1.5.9 for KSP 1.11.0

Magpie Mods

A set of TU reflection module configs for stock, Restock, BDB, Tantares, NFSuite

Magpie Mods

1.9.99.3-prerelease for KSP 1.12.4

Wernher's Old Stuff (WOS) by TiktaalikDreaming

Old rocket parts from the dawn of the rocket age, back during kerbals Komplete Konflict II. Wernher von Kerben's legacy. Old Aggregate rockets including those that were never built. For Kerbal Space Program.

Wernher's Old Stuff (WOS) by TiktaalikDreaming

0.1.7.3 for KSP 1.12.5

NovaPunch Rebalanced

A continuation of the venerable NovaPunch launcher pack. This is mostly Engines and Tanks, with a few Command Modules, and a small lander setup.

NovaPunch Rebalanced

2.1.0 for KSP 1.12.5

SSTO Project

SSTO project add wide range of high-performance spacecraft parts

SSTO Project

4.0 for KSP 1.12.5

ATK Propulsion Pack

Add's various solid rocket motors from Orbital ATK to the game

ATK Propulsion Pack

2.0.4 for KSP 1.12.5

Kerbal Space Transport System

Record launches of your transport rockets and planes to be used in automated missions later

Kerbal Space Transport System

0.0.2.5 for KSP 1.12.5

Bob's Panic Box

Automatic control of the abort systems

Bob's Panic Box

1.4.2.0-release for KSP 1.12.3

Taerobee (TBEE) by Beale (Tantares)

Adds some early rocket engines, such as Aerobee and X-4 (V-2 sounding rocket) to Kerbal Space Program.

Taerobee (TBEE) by Beale (Tantares)

1.8.0 for KSP 1.12.3

LCD - Launch CountDown

Bored of yelling the launch countdown yourself ? Do you find the launch sequence a little ... lifeless ? So here comes an enhancement for your launch clamps : an authentical launch countdown brought to you by Athlonic Electronics.

LCD - Launch CountDown

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

1.3.0.6 for KSP 1.12.5

Bargain Rocket Parts Recycled

Backyard rocket parts

Bargain Rocket Parts Recycled

1.3.0.1 for KSP 1.12.5

Sensible Pumps Continued

Shut off engines after decoupling

Sensible Pumps Continued

1.0.7 for KSP 1.12.5

Kerbal Weather Project

Kerbal Weather Project (KWP) is a groundbreaking weather and climate mod for KSP. In KWP, weather and climate data from the Model for Prediction Across Scales (MPAS) were incorporated into KSP gameplay. KWP includes a global Hourly climatology from MPAS enabling players to experience diurnal and spatial variations in atmospheric conditions. In addition, point weather data from MPAS is provided at Kerbin launch sites, allowing payers to experience dynamic weather conditions that change daily. KWP features a text-based GUI showing remote sensing weather data (in space) and in situ weather data (in the atmosphere).

Kerbal Weather Project

1.0.3.0-release for KSP 1.12.5

SpaceY Corporation (SYC)

Space, why? Because it's there! Y is greater than X. Adds SpaceY Corporation's agent, flags, and common config files used in all SpaceY add-ons for Kerbal Space Program.

SpaceY Corporation (SYC)

0.6.0.1 for KSP 1.12.5

KerBalloons Continued

a KSP mod that adds a wide array of balloons to the game, which can be used on any planet with an atmosphere

KerBalloons Continued

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