Choose Kerbal Space Program
Choose Kerbal Space Program if it carries the stronger Steam consensus at 95.9% positive across 77,731 reviews.
Kerbal Space Program vs SimplePlanes
Kerbal Space Program and SimplePlanes both land in Indie, 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 share Indie, Simulation on Steam. Both released in 2015. Kerbal Space Program scores higher on Steam reviews (95.9% positive) than SimplePlanes (93.7% 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 SimplePlanes
Choose SimplePlanes if it's currently about 68% cheaper on the Steam Store. 6,890 Steam reviews back the pick.
Both Kerbal Space Program and SimplePlanes sit in Indie and 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 |  SimplePlanes | |
|---|---|---|
| Released | 2015 | 2015 |
| Genres | Indie, Simulation | Indie, Simulation |
| Platforms | Windows, macOS, Linux | Windows, macOS |
| Steam Deck | Deck Playable | Deck Verified |
| Price | 39.99 USD | 12.99 USD |
| Steam reviews | 95.9% positive (77,731 reviews) | 93.7% positive (6,890 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Squad | Jundroo, LLC |
Side by side
- Both share Indie, Simulation on Steam.
- Both released in 2015.
- Kerbal Space Program scores higher on Steam reviews (95.9% positive) than SimplePlanes (93.7% positive).
- SimplePlanes is currently ~68% cheaper on Steam than Kerbal Space Program (12.99 USD vs. 39.99 USD).
- Steam Deck: Kerbal Space Program is Deck Playable, SimplePlanes is Deck Verified.
Kerbal Space Program vs SimplePlanes — FAQ
- Which is better, Kerbal Space Program or SimplePlanes?
- On Steam reviews Kerbal Space Program scores higher (95.9% positive) than SimplePlanes (93.7% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Kerbal Space Program is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Are Kerbal Space Program and SimplePlanes similar?
- They overlap on Indie, 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.