Kerbal Space Program
Indie
Simulation
Single-player
Steam Trading Cards
Steam Workshop
Partial Controller Support
Steam Cloud
Family Sharing

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.

Developers: Squad
Publishers: Private Division
Release Date: Apr 27, 2015
Price (USD): $39.99
Current Players: 2.9k

Links:  Steam Store  SteamDB

Overwhelmingly Positive(96%)
educational value
realistic simulation
modding community
creativity
humor
difficulty level
price value
physics simulations
steep learning curve
outdated graphics
bugs
construction issues
KSP receives overwhelming praise for its educational value, realism, and creativity it offers to players, especially those interested in space and science. Although the game's difficulty can be a barrier to entry, many find the challenge rewarding once they invest the time to learn its mechanics. Modding is frequently praised for enhancing the game experience substantially, but issues with graphics, occasional bugs, and the learning curve draw some criticism. Even so, the community support through tutorials and mods highlights how KSP continues to be a beloved title in the gaming community.

Positive Points

  • The game offers incredible educational value, teaching players fundamental principles of rocket science and orbital mechanics.
  • KSP provides a highly realistic space simulation experience that is both challenging and rewarding, appealing to space enthusiasts.
  • The modding community is extremely active, enhancing the game's content and graphics, and providing endless replayability.
  • KSP allows immense freedom and creativity in designing spacecraft and planning missions, making each success feel highly satisfying.
  • The game has a quirky sense of humor, which is often highlighted by the antics of the Kerbals, particularly the character Jebediah.
  • Negative Points

  • The game has a steep learning curve that can be frustrating for new players, potentially requiring external tutorials to master.
  • Some players find the game's graphics outdated, though mods can significantly improve visual aspects.
  • There are criticisms about bugs and crashes, particularly when using mods or running the game on older hardware.
  • Some users report issues with certain game mechanics, like construction and staging, which can lead to frequent failures and restarts.
  • Mixed Points

  • Many players find the game's difficulty level both a rewarding challenge and a source of frustration, particularly in early attempts.
  • The game's price is occasionally perceived as high, but most reviewers feel it offers good value when on sale or with mods.
  • While fundamentally praised for its educational quality, some players feel physics simulations may overwhelm without clear guidance.
  • Common Themes

  • The Kerbals, especially Jebediah, are central to many players' narratives and experiences, acting both as comic relief and symbols of perseverance.
  • Stranding Kerbals in space or having unsuccessful mission outcomes is a shared and humorous experience referenced frequently.
  • Mods are repeatedly highlighted as integral to the game, greatly enhancing the vanilla experience and offering vast customization.
  • The sense of accomplishment and joy from successful missions, like landing on the Mun or returning safely, is universally celebrated among players.
  • Updated 6/20/2026, 12:01:57 AM UTC