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 ArmorSim
Kerbal Space Program and ArmorSim 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 11 years older than ArmorSim (2026). Kerbal Space Program scores higher on Steam reviews (95.9% positive) than ArmorSim (68.6% 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 ArmorSim
Choose ArmorSim if you want an Early Access experience. On Steam, it's currently about 53% cheaper on the Steam Store. ArmorSim launched in 2026.
Both Kerbal Space Program and ArmorSim 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 |  ArmorSim | |
|---|---|---|
| Released | 2015 | 2026 |
| Genres | Indie, Simulation | Indie, Simulation, Early Access |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 39.99 USD | 18.99 USD |
| Steam reviews | 95.9% positive (77,731 reviews) | 68.6% positive (191 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Squad | Timerlan Galimov |
Side by side
- Both share Indie, Simulation on Steam.
- Kerbal Space Program (2015) is 11 years older than ArmorSim (2026).
- Kerbal Space Program scores higher on Steam reviews (95.9% positive) than ArmorSim (68.6% positive).
- ArmorSim is currently ~53% cheaper on Steam than Kerbal Space Program (18.99 USD vs. 39.99 USD).
- Kerbal Space Program is Deck Playable on Steam Deck; ArmorSim has no Deck rating yet.
Kerbal Space Program vs ArmorSim — FAQ
- Which is better, Kerbal Space Program or ArmorSim?
- On Steam reviews Kerbal Space Program scores higher (95.9% positive) than ArmorSim (68.6% 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.
- Should I play Kerbal Space Program or ArmorSim first?
- If you want chronology, Kerbal Space Program (2015) came out before ArmorSim (2026). 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 ArmorSim 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. ArmorSim doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.