Kerbal Space Program

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Kerbal Space Program
Release dates
April 27, 2015[1]
April 27, 2015[1]
April 27, 2015[1]
Kerbal Space Program at SteamDB
 Kerbal Space Program at Wikipedia

Key points

Disadvantage Currently doesn't make much use of multi-core processors.[2]

General information

More information Official forum
More information Official wiki
More information Community Discussions
More information Support Page
More information Steam Community Discussions


Source DRM Notes Keys
Official website DRM-free DRM-free
Steam Availability Table Icons - Steam.svg Does not require the Steam client to run.

Essential improvements[edit]


Information Many modifications are available and can be found on
Information While there is a demo version available, the full game is required in order to use mods.

Game data[edit]

Configuration file(s) location[edit]

Windows <path-to-game>/KSP_win/settings.cfg
Linux ~/.config/unity3d/Squad/Kerbal Space Program

Save game data location[edit]

Windows <path-to-game>/KSP_win/saves/
OS X <path-to-game>/saves/
Linux <path-to-game>/saves/
Information 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.
Disadvantage This game does not support the XDG Base Directory Specification on Linux.

Save game cloud syncing[edit]

System Native Notes
Steam Cloud No native support
GameSave Manager Native support

Video settings[edit]

Graphical settings.
Graphics option Option WSGF Notes
Widescreen resolution Native support WSGF WS Gold.svg
Multi-monitor Native support WSGF MM Gold.svg
Ultra-widescreen Native support WSGF UW Gold.svg
Field of view (FOV) Native support Hold Alt and scroll the mouse wheel while in the flight scene.[3]
Windowed Native support Clicking outside of the game's screen will minimize the game.
Use -popupwindow launch option to address this problem
Borderless fullscreen windowed Hackable Enable windowed mode and use the -popupwindow parameter.
Anisotropic filtering (AF) No native support
Anti-aliasing (AA) Native support 2x,4x and 8x MSAA
Vertical sync (Vsync) Native support Also supports VSync at half refresh rate
High frame rate Native support

Input settings[edit]

Remapping menu, with all the submenus.
Keyboard and mouse Native Notes
Remapping Native support
Mouse acceleration No native support
Mouse input in menus Native support
Mouse Y-axis inversion Unknown
Controller support Native support
Full controller support No native support mouse essential in VAB
Controller remapping Native support Buttons, and axis
Controller Y-axis inversion Unknown

Audio settings[edit]

Audio options Native Notes
Separate volume controls Native support
Surround sound No native support
Subtitles Not applicable All speech is text-based.
Closed captions Not applicable
Mute on focus lost No native support


Language UI Audio CC Notes
English Native support Not applicable Not applicable

Issues fixed[edit]

Information Various fixes to common problems are available on the official FAQ page.

System requirements[edit]

Minimum Recommended
Operating system (OS) XP 7
Processor (CPU) Intel Core 2 Duo Intel Core i3
System memory (RAM) 2 GB 4 GB
Hard disk drive (HDD) 1 GB 2 GB
Video card (GPU) 512 MB of VRAM
Shader model 3.0 support
1 GB of VRAM
Shader model 4.0 support
Operating system (OS) Snow Leopard
Processor (CPU) Dual Core Intel
System memory (RAM) 2 GB
Hard disk drive (HDD) 1 GB
Video card (GPU) 512 MB of VRAM
Shader model 3.0 support
Operating system (OS) (Most distros should work)
Processor (CPU) Intel Core 2 Duo
System memory (RAM) 2 GB
Hard disk drive (HDD) 1.5 GB
Video card (GPU) 512 MB of VRAM
Shader model 3.0 support
Information 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


  1. 1.0 1.1 1.2 Just 7 days til Kerbal Space Program 1.0 comes out!
  2. KSP and 8 core CPU
  3. View topic - Kerbal Space Program | WSGF