Choose Untethered
Choose Untethered if you want a Simulation and Early Access experience. On Steam, it's the newer release (2027) and ships with the modern feature baseline. Untethered launched in 2027.
Untethered vs Astrometica: Prologue
Untethered and Astrometica: Prologue both land in Adventure 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 Adventure games on Steam. Astrometica: Prologue (2024) is 3 years older than Untethered (2027). Astrometica: Prologue is free; Untethered is paid (Price unknown). 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 Astrometica: Prologue
Choose Astrometica: Prologue if you want an Action, Indie, and Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. Astrometica: Prologue launched in 2024.
Both Untethered and Astrometica: Prologue sit in Adventure 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
 Untethered |  Astrometica: Prologue | |
|---|---|---|
| Released | 2027 | 2024 |
| Genres | Adventure, Simulation, Early Access | Action, Indie, Adventure, Free To Play |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | Price unknown | Free to play |
| Steam reviews | — | 89.1% positive (460 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | True Anomaly Entertainment | BeryMery |
Side by side
- Both are Adventure games on Steam.
- Astrometica: Prologue (2024) is 3 years older than Untethered (2027).
- Astrometica: Prologue is free; Untethered is paid (Price unknown).
- Astrometica: Prologue is Deck Playable on Steam Deck; Untethered has no Deck rating yet.
Untethered vs Astrometica: Prologue — FAQ
- Should I play Untethered or Astrometica: Prologue first?
- If you want chronology, Astrometica: Prologue (2024) came out before Untethered (2027). 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 Untethered and Astrometica: Prologue similar?
- They overlap on Adventure 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 Astrometica: Prologue free?
- Yes — Astrometica: Prologue is a free-to-play Steam title. Untethered is paid (Price unknown).