Choose Kerbal Space Program
Choose Kerbal Space Program if you want an Indie experience. 77,731 Steam reviews back the pick.
Kerbal Space Program vs Steam Engine Simulator
Kerbal Space Program and Steam Engine Simulator both land in Simulation on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Simulation games on Steam. Kerbal Space Program (2015) is 8 years older than Steam Engine Simulator (2023). Steam Engine Simulator scores higher on Steam reviews (98.7% positive) than Kerbal Space Program (95.9% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Steam Engine Simulator
Choose Steam Engine Simulator if it carries the stronger Steam consensus at 98.7% positive across 6,899 reviews.
Both Kerbal Space Program and Steam Engine Simulator sit in Simulation on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Kerbal Space Program |  Steam Engine Simulator | |
|---|---|---|
| Released | 2015 | 2023 |
| Genres | Indie, Simulation | Simulation |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Playable | Deck Verified |
| Price | 9.99 USD | Free to play |
| Steam reviews | 95.9% positive (77,731 reviews) | 98.7% positive (6,899 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Squad | Ektorom Software Inc. |
Side by side
- Both are Simulation games on Steam.
- Kerbal Space Program (2015) is 8 years older than Steam Engine Simulator (2023).
- Steam Engine Simulator scores higher on Steam reviews (98.7% positive) than Kerbal Space Program (95.9% positive).
- Steam Engine Simulator is free; Kerbal Space Program is paid (9.99 USD).
- Steam Deck: Kerbal Space Program is Deck Playable, Steam Engine Simulator is Deck Verified.
Kerbal Space Program vs Steam Engine Simulator — FAQ
- Which is better, Kerbal Space Program or Steam Engine Simulator?
- On Steam reviews Steam Engine Simulator scores higher (98.7% positive) than Kerbal Space Program (95.9% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Steam Engine Simulator is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Should I play Kerbal Space Program or Steam Engine Simulator first?
- If you want chronology, Kerbal Space Program (2015) came out before Steam Engine Simulator (2023). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Kerbal Space Program and Steam Engine Simulator similar?
- They overlap on Simulation on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Is Steam Engine Simulator free?
- Yes — Steam Engine Simulator is a free-to-play Steam title. Kerbal Space Program is paid (9.99 USD).