Choose Phasmophobia
Choose Phasmophobia if you want an Early Access game with Multi-player, Online Co-op, and Tracked Controller Support. On Steam, it has co-op, so you can bring a friend. 350,092 Steam reviews back the pick.
Phasmophobia vs Injection No.9 - Chapter 1 (The Prologue)
Phasmophobia and Injection No.9 - Chapter 1 (The Prologue) 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. Phasmophobia (2020) is 5 years older than Injection No.9 - Chapter 1 (The Prologue) (2025). Injection No.9 - Chapter 1 (The Prologue) is currently ~75% cheaper on Steam than Phasmophobia (4.99 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 Injection No.9 - Chapter 1 (The Prologue)
Choose Injection No.9 - Chapter 1 (The Prologue) if you want an Adventure and Simulation experience. On Steam, it's currently about 75% cheaper on the Steam Store. Injection No.9 - Chapter 1 (The Prologue) launched in 2025.
Both Phasmophobia and Injection No.9 - Chapter 1 (The Prologue) sit in Action and Indie on Steam and both list Stereo Sound and Surround Sound, 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
 Phasmophobia |  Injection No.9 - Chapter 1 (The Prologue) | |
|---|---|---|
| Released | 2020 | 2025 |
| Genres | Action, Indie, Early Access | Action, Indie, Adventure, Simulation |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 19.99 USD | 4.99 USD |
| Steam reviews | 96.1% positive (350,092 reviews) | 6 reviews |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | Kinetic Games | Ragdoll Games |
Side by side
- Both share Action, Indie on Steam.
- Phasmophobia (2020) is 5 years older than Injection No.9 - Chapter 1 (The Prologue) (2025).
- Injection No.9 - Chapter 1 (The Prologue) is currently ~75% cheaper on Steam than Phasmophobia (4.99 USD vs. 19.99 USD).
- Phasmophobia has co-op; Injection No.9 - Chapter 1 (The Prologue) does not.
- Phasmophobia is Deck Unsupported on Steam Deck; Injection No.9 - Chapter 1 (The Prologue) has no Deck rating yet.
Phasmophobia vs Injection No.9 - Chapter 1 (The Prologue) — FAQ
- Should I play Phasmophobia or Injection No.9 - Chapter 1 (The Prologue) first?
- If you want chronology, Phasmophobia (2020) came out before Injection No.9 - Chapter 1 (The Prologue) (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 Phasmophobia and Injection No.9 - Chapter 1 (The Prologue) 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.
- Does Injection No.9 - Chapter 1 (The Prologue) have multiplayer like Phasmophobia?
- No. Phasmophobia supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Injection No.9 - Chapter 1 (The Prologue) is listed as single-player only.