Kerbal Space Program
2,277 Mods
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Physics
Twitch Integration
Unofficial B9 Aerospace REPACK
134k DownloadsMy "Unofficial" repack of B9 Aerospace that Just Works (TM)
SpaceY Expanded (SYX) by NecroBones
120k DownloadsAn optional add-on for the SpaceY Heavy Lifters parts pack, adding 7.5m parts, engines, and other accesories.
The Maritime Pack
118k DownloadsYachts, Cargo Ships, Carriers, Paddlewheelers, RoRo's, Submarines, Tug Boats and lots more.
QuizTech Aero Pack
114k DownloadsA pack for stock-a-like and miscellaneous spaceplane parts!
Kerbalized SpaceX
109k DownloadsA small parts pack aiming to give players a chance to play with some spaceX inspired vehicles.
SpaceX Launch Pack (LLP) by LazarusLuan
104k Downloads35-piece complete parts pack for KSP that includes the SpaceX Dragon V2, Dragon Cargo, Falcon 9 v1.1, Falcon Heavy and SHERPA launch systems.
SSTU - Shadow Space Technologies Unlimited
98.5k DownloadsLow Part-Count Solutions and Modular Parts
![[1.0.4] SciFi Shipyards (discontinued)](https://media.forgecdn.net/avatars/thumbnails/8/913/64/64/635415810454132245.png)
[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!
Real Scale Boosters
76.9k DownloadsRealistically sized and balanced rocket parts, based on real world rockets.
Knes
72.2k DownloadsKnes
BDynamics
71.2k DownloadsRetracting engines, vectoring jets, critter crawler.
Endurance (Interstellar) Continued...
70.3k DownloadsThis mod is intended to recreate, visually and functionally, the Endurance spacecraft from the movie 'Interstellar.'
Simple Hyperdrive! (HYPE) by Exodus_Solis and Monniaza
66.8k DownloadsThis mod is designed to help Sci-fi enthusiasts to create crafts of their dreams. With an integrated Hyper drive engine and a Hyper drive inline there is no limit.
SDHI Service Module System
60.7k DownloadsService Module and accessories designed specifically for use with the stock Mk1-2 Command Pod, vaguely resembling NASA’s Orion MPCV. May or may not have a convincing stockalike appearance.
FASA - Kerbal NASA - Mercury to Apollo
53.4k DownloadsFASA is a mod for kerbal that adds in early NASA rockets and pods incuding Mercury, Gemini, Apollo, and many more.
AIES
48.3k DownloadsSet of parts for all kinds of missions and rocket parts
KerBalloons
47.7k DownloadsAdds several balloons and extras to KSP
Solaris Hypernautics
41.5k DownloadsTotal set of parts from nuclear reactors to magnetic cooling to virtual particle technology to KSP!
GN drive
39.5k DownloadsGN drive from Mobile Suit Gundam 00