Choose Unnatural Investigations
Choose Unnatural Investigations if you want an Indie experience. On Steam, it's currently about 86% cheaper on the Steam Store. Unnatural Investigations launched in 2025.
Unnatural Investigations vs Demonsomnia
Unnatural Investigations and Demonsomnia both land in Action 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 Action games on Steam. Demonsomnia (2024) is 1 year older than Unnatural Investigations (2025). Unnatural Investigations is currently ~86% cheaper on Steam than Demonsomnia (1.99 USD vs. 13.99 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 Demonsomnia
Choose Demonsomnia if you want an Early Access experience. Demonsomnia launched in 2024.
Both Unnatural Investigations and Demonsomnia sit in Action on Steam and both list Multi-player, Online Co-op, and 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
 Unnatural Investigations |  Demonsomnia | |
|---|---|---|
| Released | 2025 | 2024 |
| Genres | Action, Indie | Action, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Playable |
| Price | 1.99 USD | 13.99 USD |
| Steam reviews | 4 reviews | 41.2% positive (102 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | Dimension Unknown Studio | Serhat Akgul |
Side by side
- Both are Action games on Steam.
- Demonsomnia (2024) is 1 year older than Unnatural Investigations (2025).
- Unnatural Investigations is currently ~86% cheaper on Steam than Demonsomnia (1.99 USD vs. 13.99 USD).
- Both support cooperative play.
- Demonsomnia is Deck Playable on Steam Deck; Unnatural Investigations has no Deck rating yet.
Unnatural Investigations vs Demonsomnia — FAQ
- Should I play Unnatural Investigations or Demonsomnia first?
- If you want chronology, Demonsomnia (2024) came out before Unnatural Investigations (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 Unnatural Investigations and Demonsomnia similar?
- They overlap on Action 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 Unnatural Investigations and Demonsomnia have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Unnatural Investigations ships Online Co-op, Co-op; Demonsomnia ships Online Co-op, Co-op.