Choose Kerbal Space Program
Choose Kerbal Space Program if it matches what drew you to this matchup. 77,731 Steam reviews back the pick.
Kerbal Space Program vs G Prime
Kerbal Space Program and G Prime 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. Kerbal Space Program (2015) is 1 year older than G Prime (2016). G Prime is currently ~0% cheaper on Steam than Kerbal Space Program (9.99 USD vs. 9.99 USD). 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 G Prime
Choose G Prime if it matches what drew you to this matchup. G Prime launched in 2016.
Both Kerbal Space Program and G Prime 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 |  G Prime | |
|---|---|---|
| Released | 2015 | 2016 |
| Genres | Indie, Simulation | Indie, Simulation |
| Platforms | Windows, macOS, Linux | Windows, macOS |
| Steam Deck | Deck Playable | Unrated |
| Price | 9.99 USD | 9.99 USD |
| Steam reviews | 95.9% positive (77,731 reviews) | 1 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Squad | Soma Games |
Side by side
- Both share Indie, Simulation on Steam.
- Kerbal Space Program (2015) is 1 year older than G Prime (2016).
- G Prime is currently ~0% cheaper on Steam than Kerbal Space Program (9.99 USD vs. 9.99 USD).
- Kerbal Space Program is Deck Playable on Steam Deck; G Prime has no Deck rating yet.
Kerbal Space Program vs G Prime — FAQ
- Should I play Kerbal Space Program or G Prime first?
- If you want chronology, Kerbal Space Program (2015) came out before G Prime (2016). 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 G Prime 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.
- Does Kerbal Space Program run on Steam Deck?
- Yes — Kerbal Space Program is rated Deck Playable by Valve. G Prime doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.