Choose The Planetarian
Choose The Planetarian if it's a focused single-player run rather than a multiplayer commitment.
The Planetarian vs operation
The Planetarian and operation both land in Action, Indie, 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 share Action, Indie, Adventure on Steam. operation is free; The Planetarian is paid (Price unknown). operation has co-op; The Planetarian does not. 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 operation
Choose operation if you want a Free To Play game with Multi-player, Online Co-op, and Co-op. On Steam, it's free to play, so the barrier to trying it is zero. operation launched in 2026.
Both The Planetarian and operation sit in Action, Indie, and 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
 The Planetarian |  operation | |
|---|---|---|
| Released | — | 2026 |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure, Free To Play |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Free to play |
| Steam reviews | — | 2 reviews |
| Multiplayer | Single-player only | Multi-player, Online Co-op, Co-op |
| Developers | YeopStudio | Maru Games |
Side by side
- Both share Action, Indie, Adventure on Steam.
- operation is free; The Planetarian is paid (Price unknown).
- operation has co-op; The Planetarian does not.
The Planetarian vs operation — FAQ
- Are The Planetarian and operation similar?
- They overlap on Action, Indie, 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.
- Does The Planetarian have multiplayer like operation?
- No. operation supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while The Planetarian is listed as single-player only.
- Is operation free?
- Yes — operation is a free-to-play Steam title. The Planetarian is paid (Price unknown).