Kerbal Space Program

Kerbal Space Program

2015
IndieSimulation

In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.

Steam reviews

Overwhelmingly Positive96%115,935 reviews

Metacritic

88/100

Released

Apr 27, 2015

Platforms

Windows, Mac, Linux

Single-playerSteam Trading CardsSteam WorkshopPartial Controller SupportSteam CloudFamily Sharing

Prices shown in USD. Your checkout total will reflect regional pricing in your local currency.

Gift on Steam

Steam

$39.99

Historical low: $3.99

Gift on Steam

How to gift on Steam

  1. Click "Add to Cart" on Steam
  2. At checkout, select "Purchase as a gift"
  3. Choose your friend from your Steam friends list
  4. Complete the purchase and the game goes straight to their library

Regional pricing note: Steam may restrict gifting if prices differ significantly between your country and your friend's. If you see a restriction, buying a key from a third-party store below is usually the easiest workaround.

Learn more

Buy a Steam key

Purchase from these stores, receive a key code, and share it with your friend to redeem on Steam.

Links route through IsThereAnyDeal and may earn them a commission, helping support their service.

GameBillet

$9.66$39.99-76%

Historical low: $3.99

Buy key

2game

$10.08$39.99-75%

Historical low: $3.99

Buy key

Fanatical

$11.19$39.99-72%

Sale ends May 6

Historical low: $3.99

Buy key

Nuuvem

$39.99

Historical low: $3.99

Buy key

AllYouPlay

$39.99

Historical low: $3.99

Buy key

How to redeem a Steam key

  1. Buy from the store (you'll get a code by email or on-screen)
  2. Send the code to your friend however you like
  3. They open Steam, click their username, and select "Redeem a Steam Product Key"
  4. The game is added to their library instantly

Some keys are region-locked and can only be redeemed in certain countries. Check the store listing before buying if your friend is in a different region.

Full guide

Price history

Based on price history: Often discounts every 2-3 months. Historical patterns are not a guarantee.

Shaded regions show approximate Steam sale windows. Source: IsThereAnyDeal.

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