Choose Robothorium
Choose Robothorium if you want the Multi-player, Online PvP, and PvP side of the pairing. On Steam, it's currently about 25% cheaper on the Steam Store. Robothorium launched in 2019.
Robothorium vs Deep Sky Derelicts
Robothorium and Deep Sky Derelicts both land in Strategy, Indie, RPG 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 Strategy, Indie, RPG on Steam. Deep Sky Derelicts (2018) is 1 year older than Robothorium (2019). Deep Sky Derelicts scores higher on Steam reviews (72% positive) than Robothorium (64.6% 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 Deep Sky Derelicts
Choose Deep Sky Derelicts if it's a focused single-player run rather than a multiplayer commitment. 1,130 Steam reviews back the pick.
Both Robothorium and Deep Sky Derelicts sit in Strategy, Indie, and RPG 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
 Robothorium |  Deep Sky Derelicts | |
|---|---|---|
| Released | 2019 | 2018 |
| Genres | Strategy, Indie, RPG | Strategy, Indie, RPG |
| Platforms | Windows, macOS, Linux | Windows, macOS, Linux |
| Steam Deck | Unrated | Deck Playable |
| Price | 14.99 USD | 19.99 USD |
| Steam reviews | 64.6% positive (99 reviews) | 72% positive (1,130 reviews) |
| Multiplayer | Multi-player | Single-player only |
| Developers | Goblinz Studio | Snowhound Games |
Side by side
- Both share Strategy, Indie, RPG on Steam.
- Deep Sky Derelicts (2018) is 1 year older than Robothorium (2019).
- Deep Sky Derelicts scores higher on Steam reviews (72% positive) than Robothorium (64.6% positive).
- Robothorium is currently ~25% cheaper on Steam than Deep Sky Derelicts (14.99 USD vs. 19.99 USD).
- Deep Sky Derelicts is Deck Playable on Steam Deck; Robothorium has no Deck rating yet.
Robothorium vs Deep Sky Derelicts — FAQ
- Should I play Robothorium or Deep Sky Derelicts first?
- If you want chronology, Deep Sky Derelicts (2018) came out before Robothorium (2019). 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 Robothorium and Deep Sky Derelicts similar?
- They overlap on Strategy, Indie, RPG 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 Deep Sky Derelicts have multiplayer like Robothorium?
- No. Robothorium supports multiplayer on Steam (Multi-player), while Deep Sky Derelicts is listed as single-player only.