Kerbal Space Program Steam Charts, Sales, Players & Wishlists

Kerbal Space Program is tagged as Indie, Simulation. It is published by Squad (developer) and Private Division (publisher) and released on 27 Apr, 2015. PureGameStats tracks Kerbal Space Program's live Steam player count, all-time peak, review sentiment, estimated sales and price history. Kerbal Space Program currently has 2,390 players on Steam. Its recorded all-time peak is 23,452 concurrent players on 19 April 2026. Current activity is 89.8% below peak. PureGameStats estimates 2,665,116 Steam units sold. Steam reviews are 96% positive across 148,062 responses. Platforms: Mac, Linux, Windows.

Games Kerbal Space Program

Kerbal Space Program Steam Charts, Sales, Players & Wishlists

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 doesnโ€™t) based on realistic aerodynamic and orbital physics.

Developer
Squad
Publisher
Private Division
Platforms
Mac, Linux, Windows
Release Date
27 Apr, 2015
Est. Sales
2,665,116
PGS estimate High confidence
Current Players
2,390
Live Steam data Peak 23,452
Current Steam Price
$39.99
Store data Standard Edition
Estimates are modelled by PureGameStats using multiple data signals. Direct data is sourced from Steam. View methodology โ†’

Kerbal Space Program Concurrent Players Updated hourly

Kerbal Space Program header image
Developer: Squad
Publisher: Private Division
Platforms: Mac, Linux, Windows
Release Date: 27 Apr, 2015
Est. sales: 2,665,116 High confidence
Retailer Price (US) Discount
Steam $39.99 0%
Epic Games Store $9.99 75%
Loaded / CDKeys $5.79 86%
Green Man Gaming $8.50 76%
Gameseal $4.02 -

Pricing History & Best Deals

View on Steam

Historical pricing on Steam (US).

$39.99
Steam Launch Price
Steam
$39.99
Steam Current Price
Steam
$9.99
Steam Lowest Price
Steam
$4.02
Lowest Recorded
GameSeal
$4.02
Current Lowest Price
GameSeal โ†’
Steam Prices Around the World
Live Steam pricing across 27 currencies we track.
View all prices Hide prices
AU
A$ 59.95
BR
R$119,99
CA
C$ 51.99
CH
CHF 39.99
CL
CLP$22.900
CN
ยฅ148.00
DE
36,99โ‚ฌ
GB
ยฃ32.99
HK
HK$ 249.00
ID
Rp 379 000
IN
โ‚น1,599.00
JP
ยฅ4,950
KR
โ‚ฉ 12,370
-75%
MX
Mex$ 449.99
MY
RM99.00
NO
450,00 kr
NZ
NZ$ 62.99
PH
โ‚ฑ1,199.95
PL
149,99 zล‚
RU
1620 ั€ัƒะฑ
SG
S$40.00
TH
เธฟ749.00
TR
$19.99
TW
NT$ 699.00
US
$39.99
VN
499.000โ‚ซ
ZA
R 379.95

Newest snapshot: 17 Sept 2026.

Twitch Viewers & Live Streamers

View on Twitch

Twitch activity for Kerbal Space Program.

10
Current viewers
Watching now
5
Largest live stream
All time
7,612
Hours watched (7d)
Total
78,518
Hours watched (30d)
Total

Kerbal Space Program Steam Reviews

Total reviews 148,062 Positive 141,586 Negative 6,476 Positive % 95.6%Rating Overwhelmingly Positive

Review Cloud

Reviewers praise
jebkspmunorbitkerbalsrocketamazing modsrocketsvalentinaorbital mechanicsrocket sciencedunamods betterorbitalksp better
Reviewers criticise
modssunmods best

What players are discussing

Praise and criticism mentions per topic, split by whether the reviewer recommended the game overall. Based on 500 recent English reviews (ingested 3 Sept 2026).

Ticks mark the typical silhouette for a Indie game - overshoot = above the genre norm on that side.

Topic
Criticism mentions Praise
Mentions
Performance
11
13
Gameplay
23
23
Story
Not enough mentions
-
Graphics
14
15
Audio
Not enough mentions
-
Controls
Not enough mentions
-
Bugs
12
14
Value
14
17
Multiplayer
Not enough mentions
-
Replay value
Not enough mentions
-
PC System Requirements
Minimum and recommended hardware needed to run Kerbal Space Program.
View full requirements Hide requirements
Minimum:
  • OS *:Windows 7 SP1+
  • Processor:Core 2 Duo 2.0 Ghz
  • Memory:4 GB RAM
  • Graphics:DX10 (SM 4.0) capable, 512MB VRAM
  • Hard Drive:3 GB HD space

Recommended:
  • OS:Windows 10 64-bit
  • Processor:Core i5
  • Memory:8 GB RAM
  • Graphics:DX10 (SM 4.0) capable, 1GB VRAM
  • Hard Drive:4 GB HD space
Frequently Asked Questions
Find quick answers about release date, pricing, platforms and more.
View FAQs Hide FAQs

How many people are playing Kerbal Space Program right now?

Kerbal Space Program has 2,390 concurrent players on Steam right now.

What is the all-time peak player count for Kerbal Space Program?

Kerbal Space Program reached an all-time peak of 23,452 concurrent players on 19 April 2026.

How many copies has Kerbal Space Program sold on Steam?

PureGameStats estimates Kerbal Space Program has sold approximately 2,665,116 copies on Steam, with high confidence. The estimate is derived from Steam reviews, concurrent player peaks and achievement completion rates.

How is Kerbal Space Program rated on Steam?

Kerbal Space Program has 148,062 Steam reviews with a 95.6% positive rating (Overwhelmingly Positive).

What is the current price of Kerbal Space Program?

Kerbal Space Program is priced at $39.99 on Steam (currently 85% off). Full price history and best deals are tracked on this page.

When was Kerbal Space Program released?

Kerbal Space Program was released on 27 Apr, 2015. It was developed by Squad.

Coverage & Updates

Latest from the official channels and across the games media.

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