Choose Deep Sky Derelicts
Choose Deep Sky Derelicts if it's currently about 85% cheaper on the Steam Store. 1,130 Steam reviews back the pick.
Deep Sky Derelicts vs 长明火计划 Project: Eternal Flame
Deep Sky Derelicts and 长明火计划 Project: Eternal Flame 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 4 years older than 长明火计划 Project: Eternal Flame (2022). Deep Sky Derelicts is currently ~85% cheaper on Steam than 长明火计划 Project: Eternal Flame (2.99 USD vs. 19.99 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 长明火计划 Project: Eternal Flame
Choose 长明火计划 Project: Eternal Flame if you want an Adventure and Casual experience. On Steam, it's the newer release (2022) and ships with the modern feature baseline. 长明火计划 Project: Eternal Flame launched in 2022.
Both Deep Sky Derelicts and 长明火计划 Project: Eternal Flame 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
 Deep Sky Derelicts |  长明火计划 Project: Eternal Flame | |
|---|---|---|
| Released | 2018 | 2022 |
| Genres | Strategy, Indie, RPG | Strategy, Indie, Adventure, RPG, Casual |
| Platforms | Windows, macOS, Linux | Windows, macOS |
| Steam Deck | Deck Playable | Unrated |
| Price | 2.99 USD | 19.99 USD |
| Steam reviews | 72% positive (1,130 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Snowhound Games | 唐扬Studio |
Side by side
- Both share Strategy, Indie, RPG on Steam.
- Deep Sky Derelicts (2018) is 4 years older than 长明火计划 Project: Eternal Flame (2022).
- Deep Sky Derelicts is currently ~85% cheaper on Steam than 长明火计划 Project: Eternal Flame (2.99 USD vs. 19.99 USD).
- Deep Sky Derelicts is Deck Playable on Steam Deck; 长明火计划 Project: Eternal Flame has no Deck rating yet.
Deep Sky Derelicts vs 长明火计划 Project: Eternal Flame — FAQ
- Should I play Deep Sky Derelicts or 长明火计划 Project: Eternal Flame first?
- If you want chronology, Deep Sky Derelicts (2018) came out before 长明火计划 Project: Eternal Flame (2022). 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 Deep Sky Derelicts and 长明火计划 Project: Eternal Flame 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 run on Steam Deck?
- Yes — Deep Sky Derelicts is rated Deck Playable by Valve. 长明火计划 Project: Eternal Flame doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.