Kerbal Space Program
Kerbal Space Program costs $39.99 USD on Steam (price as of July 2026). To pay as little as possible, compare that against the live offers from key marketplaces Instant Gaming and G2A below: their prices change constantly, so we link straight to each store instead of showing a number that goes stale.
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What is Kerbal Space Program?
What platforms is Kerbal Space Program on?
The PC version of Kerbal Space Program is bought as a digital key — that's what we compare store by store on Games Deal Radar.
How to get Kerbal Space Program at the best price?
Looking for Kerbal Space Program cheap? The trick is to compare the indie deal between Steam and key resellers like Instant Gaming and G2A. In its mid-range price bracket, comparing stores usually gets you a worthwhile saving. With a Metacritic score of 90, it's one of the best-rated in its category, so locking in a good price is doubly worth it. Since it launched in 2015, it shows up in sales often, especially on third-party keys. Always make sure the store is trustworthy and the key is valid for your region before paying.
