Kerbal Space Program has left Early Access. 1.0 comes packed with new features, optimizations, bugfixing, and tons more! Conquering Space Was Never This Easy!
User reviews:
Recent:
Overwhelmingly Positive (398 reviews) - 96% of the 398 user reviews in the last 30 days are positive.
Overall:
Overwhelmingly Positive (30,410 reviews) - 97% of the 30,410 user reviews for this game are positive.
Release Date: Apr 27, 2015

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Recent updates View all (32)

June 21

Kerbal Space Program patch 1.1.3 is now available!



Hello everyone!

The 1.1.3 patch is now available! We’ve taken our time over the past couple of weeks to tackle as many issues as we could in this patch and the results speak for themselves: close to 100 fixes have been logged compared to the previous version of KSP, and we even found time to hide something small in the game that we’re sure a lot of long time fans will appreciate!

Check out the full changelog at our Forums.

136 comments Read more

April 30

Patch 1.1.2 is now available!



Hello everyone!

We noticed a number of issues persisted through the 1.1.1 patch earlier this week. We’re releasing patch 1.1.2 to address these issues before we head off to a long overdue vacation for the next couple of weeks. Patch 1.1.2 addresses issues with the user interface and landing legs, amongst others.

Check out the full changelog on our forums.

The Patch will start downloading through your Steam client automatically.

166 comments Read more

About This Game

In KSP you must build a space-worthy craft, capable of flying its crew out into space without killing them. At your disposal is a collection of parts, which must be assembled to create a functional ship. Each part has its own function and will affect the way a ship flies (or doesn't). So strap yourself in, and get ready to try some Rocket Science!

The game offers three gameplay modes: Sandbox, in which you are free to build anything you can think of; Science Mode, which lets you perform Scientific experiments to advance the knowledge of Kerbalkind and further the available technology; and Career Mode, in which you must manage every aspect of your Space Program, including administration strategies, Crew Management, Reputation, as well as taking up Contracts to earn Funds and upgrade your Space Center Facilities (or repair them).

Add to this the ability to capture asteroids (a feature done in collaboration with NASA), Mining for resources out across the furthest reaches of the Solar System, Constructing Bases and Space Stations in and around other worlds; plus literally thousands of mods from a huge active modding community, all add up into the award-winning game that has taken the space sim genre by storm.

Key Features


  • The Vehicle Assembly Building and the Space Plane Hangar allows players to build spacecraft out of any imaginable combination of parts.
  • Fully-fledged, Physics-based Space Flight Simulation ensures everything will fly (and crash) as it should.
  • Take your Kerbal crew out of the ship and do Extra Vehicular Activities.
  • Fly out to Moons and other Planets.
  • Procedural Terrain delivers detailed terrain at a vast scale. The Kerbal Planet is 600km in radius!
  • Mod-enabled, allows players to create new content and modify the game.
  • Ship systems. Keep an eye out for engine temperatures and fuel levels, and try not to explode.
  • Build ships with multiple stages, and jettison parts away as they burn out.
  • Full control over the ship’s setup allows for complex ships and advanced functionality.
  • Dock spacecraft together to build Space Stations, Massive Starships, or even surface bases on other worlds.
  • Manage your crewmembers, hire them, and send them out into space and make them into heroes.
  • Research and Develop new technologies to advance your Space Program.
  • Take on Missions to attract interest in your Space Program.
  • Discover new worlds and expand the scientific knowledge of Kerbalkind.
  • Extract valuable resources from all over the solar system.
  • And a whole lot more!

System Requirements

Windows
Mac OS X
SteamOS + Linux
    Minimum:
    • OS:Windows Vista or 7
    • Processor:Core 2 Duo
    • Memory:3GB RAM
    • Graphics:SM3 512MB VRAM
    • Hard Drive:4 GB HD space
    Recommended:
    • OS:Windows 8 or 10 64 bit
    • Processor:Core i5
    • Memory:4 GB RAM
    • Graphics:SM4 1GB VRAM
    • Hard Drive:6 GB HD space
    Minimum:
    • OS:Lion (10.7)
    • Processor:Intel
    • Memory:3 GB RAM
    • Graphics:SM3 512MB VRAM
    • Hard Drive:4 GB HD space
    Recommended:
    • OS:El Capitan (10.13)
    • Processor:Intel Core i5
    • Memory:4 GB RAM
    • Graphics:SM4 1GB VRAM
    • Hard Drive:6 GB HD space
    Minimum:
    • OS: Linux (Most distros should work)
    • Processor: Core 2 Duo
    • Memory: 3 GB RAM
    • Hard Disk Space: 4 GB HD space
    • Video Card: SM3 512MB VRAM
    Recommended:
    • OS:Ubuntu 14.04
    • Processor:Core i5
    • Memory:4 GB RAM
    • Graphics:SM4 1GB VRAM
    • Hard Drive:6 GB HD space
Customer reviews
Customer Review system updated! Learn more
Recent:
Overwhelmingly Positive (398 reviews)
Overall:
Overwhelmingly Positive (30,410 reviews)
Recently Posted
SplitShockVirus
( 300.4 hrs on record )
Posted: June 26
This game has consumed a large portion of time, all of it was worth it.
Helpful? Yes No Funny
Nigel Farage
( 152.4 hrs on record )
Posted: June 26
I can openly say, this is one of the best games ive ever bought, EVER. It has really smart mechanics, the mods make the game even better, and it overall is a really great sandbox game. I just really wish it had an official multiplayer mode!!!

Pros:
Everything!

Cons:
It could have an official multiplayer, and maybe steam workshop mod support
Helpful? Yes No Funny
Supercockroach
( 6.2 hrs on record )
Posted: June 26
Blowing stuff up is easy. Rocket science with little green men made memorable, fun, and addictive. Had to uninstall the game just to make sure I would do my homework!
Helpful? Yes No Funny
dragonslayer0622 -MSS-
( 63.5 hrs on record )
Posted: June 26
This game is amazing!!! Graphics are perfect for the style of game, the building is spot on other than a couple of bugs.
10/10 game all around. (Just a short review)
Helpful? Yes No Funny
Phoenix654
( 54.4 hrs on record )
Posted: June 26
Do you like space? How about space travel? How about the possibilty of getting little green men (and women) called Kerbals hopelessly lost, stranded and/or killed in said space travel? Then do I have a game recommendation for you!

Kerbal Space Program is by no means a perfect game, but it has lead to some of my absolute favorite gaming moments of all time. The game is far more complicated than you can imagine if you know nothing about orbital mechanics, and yet simplified enough that you can figure it out. It's not a completely accurate sim of space flight (a lot of the distances in the Kerbal solar system are far smaller than in our real one), but it's right enough in the right places for you to gain the expierence of, say, replicating an Apollo Moon landing or flying a probe to the outer reaches of known space or accidentially stranding a man with nothing but disco on Mars... er... Duna. (kidding about the disco)

So much fun for the right kind of mindset. Endlessly replayable, completely satisfying to do right, hilarious to see explosions when done wrong. GET IT.
Helpful? Yes No Funny
IrishBruse
( 1.2 hrs on record )
Posted: June 26
Its one of thr best games i have played i have play hours of it with mods and on its own what ever way you want its an overall great Game keep it up Squad
Helpful? Yes No Funny
Cryptosalmon
( 187.2 hrs on record )
Posted: June 26
What are you doing? GET THE GAME NOW
Helpful? Yes No Funny
Pac manbros
( 5.2 hrs on record )
Posted: June 26
The parachutes never work they some times do but you need a expert to tell you how and when to do it.
Helpful? Yes No Funny
hauser
( 300.0 hrs on record )
Posted: June 26
the career mode is cancer
Helpful? Yes No Funny
Most Helpful Reviews  In the past 30 days
399 of 419 people (95%) found this review helpful
428 people found this review funny
Recommended
212.7 hrs on record
Posted: May 31
>Buy game in sale in 2013
>Spend 4 months attempting to get to the Mun
>Spend the entire space program's budget on a Mun mission
>Forgot solar panels
>Jeb crashed due to lack of power. He is now stranded
>Tell him I'm mounting a rescue mission
>Get sidetracked flying planes to get more funds
>Accidentally learn to dock
>Somehow get to Duna
>Mannded Duna landing and return
>Make huge space station in Kerbin orbit
>Turn it into a huge ship by docking engines
>Fly to Jool and visit all the moons
>Have spare fuel so decide to do a grand tour of the solar system
>Finally done everything I came out to do. Start playing other games
>Be me 2016
>Load up KSP after new update to check it out
>Jeb still stranded on Mun
10/10
Was this review helpful? Yes No Funny
178 of 194 people (92%) found this review helpful
104 people found this review funny
Recommended
280.5 hrs on record
Posted: May 31
If you have kids, get this game for them. If you don't have kids, get this game anyway.
Was this review helpful? Yes No Funny
159 of 170 people (94%) found this review helpful
125 people found this review funny
Recommended
227.7 hrs on record
Posted: May 31
ruined my ability to enjoy science fiction movies.
Was this review helpful? Yes No Funny
94 of 99 people (95%) found this review helpful
37 people found this review funny
Recommended
15.4 hrs on record
Posted: June 3
only played this game for a few hours and I have already learned more than I learn in a full semester of school.
Was this review helpful? Yes No Funny
94 of 114 people (82%) found this review helpful
106 people found this review funny
Recommended
267.7 hrs on record
Posted: May 29
Using Hyperedit I successfully:
Crashed Kerbin into Jool.

Using the BDarmoury I successfully:
Destroyed the space center.

Using Rockets I successfully:
Killed thousands of Kerbals.

Using Alcohol I successfully:
learned not to drink and rocket science.

Reviewing Kerbal Space Program I successfully:
Reviewed Kerbal Space Program.


11/10 would drink and rocket science again.
Was this review helpful? Yes No Funny
57 of 69 people (83%) found this review helpful
69 people found this review funny
Recommended
13.1 hrs on record
Posted: June 1
- Launched into space.
- Climbed outside to get science.
- Accidently let go.
10/10 would burn in atmosphere again.
Was this review helpful? Yes No Funny
40 of 44 people (91%) found this review helpful
8 people found this review funny
Recommended
111.8 hrs on record
Posted: June 6
So i told myself when i reached 100 hours on this game i would write a review. Well, here i am.


So i got this game around summmer 2015, after wanting it for a long time.
The game had just left early access and was in beta. (I just want to point out that i am very attatched to this game)
I adore this game. Most of my summer was spent playing this. (Before you say that isn't possible, i would like to point out my hours didn't add up as I ran the game from the .exe rather than steam.)

I would, and have, recommend this game to anyone who enjoys the feel of success, science, exploration, engineering, space, cute green creatures who you shall become the merciless god of as you stack them on top of each-other and use them as landing gear.

The only slightly bad thing about this game is the learning curve. I know the 1.1 update added loads of tutorials, 'cuz the old ones were exeedingly bad, but you will spend around 5 - 10 hours before you can do anything useful. Needless to say though it is worth it, and soon you will conquer the solar system!

Or, y'know, just abuse the various bugs the game has... that's cool....

Anyway, thanks for reading this review. If it helps someone buy the game, or spread the word, or anything, then i'm glad.

-- Simple Concept
Was this review helpful? Yes No Funny
39 of 47 people (83%) found this review helpful
85 people found this review funny
Recommended
987.2 hrs on record
Posted: June 3
Picked up a copy during its early access, have been in love with it since.
Was this review helpful? Yes No Funny
164 of 266 people (62%) found this review helpful
255 people found this review funny
Recommended
44.5 hrs on record
Posted: May 30
Before I played:
\\ _
   \( ͡° ͜ʖ ͡°)
    < ⌒ヽ
   /   へ\
   /  / \\
   レ ノ   ヽ_つ
  / /
  / /|
 ( (ヽ
 | |、\
 | 丿 \ ⌒)
 | |  ) /
`ノ )  Lノ
After I played:
/フフ         ム`ヽ
/ ノ)  ) ヽ
/ |  ( ͡° ͜ʖ ͡°)ノ⌒(ゝ._,ノ
/ ノ⌒7⌒ヽーく  \ /
丶_ ノ 。   ノ、 。|/
   `ヽ `ー-'_人`ーノ
    丶  ̄ _人'彡)
Was this review helpful? Yes No Funny
11 of 15 people (73%) found this review helpful
Recommended
68.8 hrs on record
Posted: June 7
This is without doubt the best game i have played.
Was this review helpful? Yes No Funny