Kerbal Space Program

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Kerbal Space Program
Kerbal Space Program cover
Developers
Squad
Publishers
Private Division
Engines
Former Unity 5[Note 1]
Unity 2019[Note 2]
Release dates
Windows April 27, 2015[4]
macOS (OS X) April 27, 2015[4]
Linux April 27, 2015[4]
Reception
Metacritic 88
OpenCritic 79
IGDB 87
Kerbal Space Program on HowLongToBeat
Kerbal Space Program on IGDB
Kerbal Space Program on MobyGames
Kerbal Space Program on Wikipedia
Kerbal Space Program
Kerbal Space Program 2015
Kerbal Space Program 2 2022

General information

Official forum
Official wiki
GOG.com Community Discussions
GOG.com Support Page
Steam Community Discussions

Availability[edit]

Source DRM Notes Keys OS
Official website
DRM-free
Windows
macOS (OS X)
Linux
Gamesplanet
Icon overlay.png
Windows
macOS (OS X)
Linux
GOG.com
DRM-free
Windows
macOS (OS X)
Linux
Green Man Gaming
Icon overlay.png
Windows
macOS (OS X)
Linux
Humble Store
Icon overlay.png
Windows
macOS (OS X)
Linux
Steam
DRM-free after installation through Steam client (notes may include more details)
Does not require the Steam client to run.[5]
Windows
macOS (OS X)
Linux

DLC and expansion packs

Name Notes
Making History
Windows
macOS (OS X)
Linux
Breaking Ground
Windows
macOS (OS X)
Linux

Essential improvements[edit]

Modifications[edit]

Curse.com is the "official" source for modifications, but the player-made CKAN client has significantly better community support, in addition to an actual multi-platform mod manager.
While there is a demo version available, the full game is required in order to use mods.

Game data[edit]

In-game general settings.
In-game general settings.

Configuration file(s) location[edit]

System Location
Windows <path-to-game>\settings.cfg[Note 3]
macOS (OS X)
Linux $HOME/.config/unity3d/Squad/Kerbal Space Program

Save game data location[edit]

System Location
Windows <path-to-game>\saves[Note 3]
macOS (OS X) <path-to-game>/saves/
Linux <path-to-game>/saves/
All saves are in the installation folder. If you're backing up, don't forget the ships folder! Saves from Windows version can also be used in OS X and Linux versions. Using saves from different versions (for instance, 0.19 save in a 0.20 version) may cause some issues, such as objects from the old save clipping through ground. Version 0.21 introduced a new save game patcher that will try to patch older save games in order to correct such issues. To use it, simply place the old save in the new saves folder. When you try to load the old save, a pop up will appear asking if you wish to patch the save.
This game does not follow the XDG Base Directory Specification on Linux.

Save game cloud syncing[edit]

System Native Notes
GOG Galaxy
Steam Cloud

Video settings[edit]

In-game video settings.
In-game video settings.

Graphics feature State WSGF Notes
Widescreen resolution
Multi-monitor
Ultra-widescreen
4K Ultra HD
Field of view (FOV)
Hold Alt and scroll the mouse wheel while in the flight scene.[6]
Windowed
Clicking outside of the game's screen will minimize the game.
Use -popupwindow launch option to address this problem
Borderless fullscreen windowed
Enable windowed mode and use the -popupwindow parameter.
Anisotropic filtering (AF)
See the glossary page for potential workarounds.
Anti-aliasing (AA)
2x,4x and 8x MSAA
Vertical sync (Vsync)
Also supports VSync at half refresh rate
60 FPS and 120+ FPS

Input settings[edit]

In-game key/axis map settings.
In-game key/axis map settings.

Audio settings[edit]

In-game audio settings.
In-game audio settings.

Audio feature State Notes
Separate volume controls
Surround sound
Subtitles
All dialogue is text-based.
Closed captions
Mute on focus lost

Localizations

Language UI Audio Sub Notes
English
Japanese
Simplified Chinese
Spanish
French
Italian
Brazilian Portuguese

VR support[edit]

3D modes Native Notes
Nvidia 3D Vision
See Helix Mod: Kerbal Space Program.
Devices Native Notes
TrackIR


Other information[edit]

API[edit]

Technical specs Supported Notes
Direct3D 9, 11
OpenGL 2.0 OS X and Linux only.
Shader Model support 2, 3
Executable 32-bit 64-bit Notes
Windows
macOS (OS X)
Linux

System requirements[edit]

As of 1.5, 64-bit OS is required.[7]
Windows
Minimum Recommended
Operating system (OS) Vista SP1
Processor (CPU) Intel Core 2 Duo
System memory (RAM) 3 GB
Hard disk drive (HDD) 4 GB
Video card (GPU) 512 MB of VRAM
DirectX 10 compatible
Shader model 4.0 support
macOS (OS X)
Minimum Recommended
Operating system (OS) Mavericks (10.9)
Processor (CPU) Intel double core
System memory (RAM) 3 GB
Hard disk drive (HDD) 4 GB
Video card (GPU) 512 MB of VRAM
Shader model 4.0 support
Linux
Minimum Recommended
Operating system (OS) Ubuntu 14.04 LTS
Processor (CPU) Intel Core 2 Duo
System memory (RAM) 3 GB
Hard disk drive (HDD) 4 GB
Video card (GPU) 512 MB of VRAM
Shader model 4.0 support
64-bit Arch Linux users who experience crashes in the main menu when launched from Steam should set a launch option of LC_ALL=C %command%_64

Notes

  1. Unity engine build: 5.4.0p4[1][2]
  2. Unity engine build: 2019.2.2f1[3]
  3. 3.0 3.1 When running this game without elevated privileges (Run as administrator option), write operations against a location below %PROGRAMFILES%, %PROGRAMDATA%, or %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore on Windows Vista and later (more details).

References