Kerbal Space Program
2,268 Mods
Modular Rocket Systems (MRS) by Orvidius
116k DownloadsA parts pack mod containing a variety of stock-alike parts that are meant to fill in the existing gaps in the stock selection, and offer additional cosmetic options.
Enhanced NavBall [v1.3]
114k DownloadsAdds extra features to the navball
QuizTech Aero Pack
114k DownloadsA pack for stock-a-like and miscellaneous spaceplane parts!
SpaceY Expanded (SYX) by NecroBones
113k DownloadsAn optional add-on for the SpaceY Heavy Lifters parts pack, adding 7.5m parts, engines, and other accesories.
Outer Planets Mod
112k DownloadsExpands the Kerbol system with new planets and moons, inspired by Saturn, Uranus, Neptune, Pluto and their moons
Skillful Weapons and Damage 1.0.5
111k DownloadsSkillful is a combat system for for KSP. Arm your planes/tanks and ships and have some cool battles!
kOS: Scriptable Autopilot System
110k DownloadskOS is a scriptable autopilot Mod for Kerbal Space Program. It allows you write small programs that automate specific tasks. kOS was originally written by Nivekk, In his absence I am continuing it.
Surface Mounted Lights
109k DownloadsLights for Self-Illumination
Kerbalized SpaceX
109k DownloadsA small parts pack aiming to give players a chance to play with some spaceX inspired vehicles.
Hullcam VDS
108k DownloadsHullcam let's you add cameras to any part of your vehicle or construction.
Hangar Extender
108k DownloadsExtends the usable area when building in the SPH or VAB, so you can build outside or above the building. Useful for building large aircraft carriers or tall rockets.
Asteroid Day
103k DownloadsKerbal Space Program's second official mod, dedicated to Asteroid Day & the B612 Foundation
Free IVA
97.9k DownloadsMove around the inside of your vessels!
SSTU - Shadow Space Technologies Unlimited
97.7k DownloadsLow Part-Count Solutions and Modular Parts
Collision FX
96.1k DownloadsCollision FX adds sound, light and particle effects when colliding or scraping your craft.
[1.0.4] SciFi Shipyards (discontinued)
95.9k DownloadsIncludes a variety of fictional ships such as the Enterprise and the TARDIS.
Spaceplane Plus (Obsolete)
89.8k DownloadsThis mod is now included in the Stock game!
Robotic Arms Pack
86.9k DownloadsThis pack contains two replicas of real life robotic arms used space.
Graphics Enhancements Assembly
84.8k DownloadsThe Graphics Enhancements Assembly includes a lot of textures and settings, allowing you to making your graphics in KSP even better and more colorful.
Reentry Particle Effects
83.2k DownloadsAdds reentry particle effects