Choose Kerbal Space Program
Choose Kerbal Space Program if you want a Simulation experience. 77,731 Steam reviews back the pick.
Kerbal Space Program vs Message From Aliens
Kerbal Space Program and Message From Aliens both land in Indie 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 Indie games on Steam. Kerbal Space Program (2015) is 11 years older than Message From Aliens (2026). Message From Aliens is currently ~75% cheaper on Steam than Kerbal Space Program (9.99 USD vs. 39.99 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 Message From Aliens
Choose Message From Aliens if you want a Strategy experience. On Steam, it's currently about 75% cheaper on the Steam Store. Message From Aliens launched in 2026.
Both Kerbal Space Program and Message From Aliens sit in Indie 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 |  Message From Aliens | |
|---|---|---|
| Released | 2015 | 2026 |
| Genres | Indie, Simulation | Strategy, Indie |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 39.99 USD | 9.99 USD |
| Steam reviews | 95.9% positive (77,731 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Squad | Artless Games |
Side by side
- Both are Indie games on Steam.
- Kerbal Space Program (2015) is 11 years older than Message From Aliens (2026).
- Message From Aliens is currently ~75% cheaper on Steam than Kerbal Space Program (9.99 USD vs. 39.99 USD).
- Kerbal Space Program is Deck Playable on Steam Deck; Message From Aliens has no Deck rating yet.
Kerbal Space Program vs Message From Aliens — FAQ
- Should I play Kerbal Space Program or Message From Aliens first?
- If you want chronology, Kerbal Space Program (2015) came out before Message From Aliens (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 Message From Aliens similar?
- They overlap on Indie 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. Message From Aliens doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.