Choose The Unknown
Choose The Unknown if you want a Strategy, Massively Multiplayer, and RPG experience. On Steam, it's currently about 50% cheaper on the Steam Store. The Unknown launched in 2023.
The Unknown vs Deep Dark Space
The Unknown and Deep Dark Space both land in Action, 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 share Action, Indie on Steam. The Unknown (2023) is 2 years older than Deep Dark Space (2025). The Unknown is currently ~50% cheaper on Steam than Deep Dark Space (4.99 USD vs. 9.99 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 Deep Dark Space
Choose Deep Dark Space if it matches what drew you to this matchup. Deep Dark Space launched in 2025.
Both The Unknown and Deep Dark Space sit in Action and Indie on Steam and both list Multi-player, Online PvP, and Online Co-op, 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 Unknown |  Deep Dark Space | |
|---|---|---|
| Released | 2023 | 2025 |
| Genres | Action, Strategy, Indie, Massively Multiplayer, RPG | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 4.99 USD | 9.99 USD |
| Steam reviews | 1 reviews | 1 reviews |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | Flgaming | Just Making Games |
Side by side
- Both share Action, Indie on Steam.
- The Unknown (2023) is 2 years older than Deep Dark Space (2025).
- The Unknown is currently ~50% cheaper on Steam than Deep Dark Space (4.99 USD vs. 9.99 USD).
- Both support cooperative play.
The Unknown vs Deep Dark Space — FAQ
- Should I play The Unknown or Deep Dark Space first?
- If you want chronology, The Unknown (2023) came out before Deep Dark Space (2025). 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 The Unknown and Deep Dark Space similar?
- They overlap on Action, 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.
- Do both The Unknown and Deep Dark Space have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: The Unknown ships Online Co-op, Co-op; Deep Dark Space ships Online Co-op, Co-op.