Choose Project0
Choose Project0 if you want an Indie and Early Access experience. Project0 launched in 2025.
Project0 vs The Carnival Killer
Project0 and The Carnival Killer 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. The Carnival Killer (2024) is 1 year older than Project0 (2025). The Carnival Killer is currently ~72% cheaper on Steam than Project0 (1.99 USD vs. 6.99 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 The Carnival Killer
Choose The Carnival Killer if you want the LAN Co-op side of the pairing. On Steam, it's currently about 72% cheaper on the Steam Store. The Carnival Killer launched in 2024.
Both Project0 and The Carnival Killer 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
 Project0 |  The Carnival Killer | |
|---|---|---|
| Released | 2025 | 2024 |
| Genres | Action, Indie, Early Access | Action |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 6.99 USD | 1.99 USD |
| Steam reviews | — | 2 reviews |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, LAN Co-op |
| Developers | Natural Frost | Mad Scientist Studios, Digital Cove Games |
Side by side
- Both are Action games on Steam.
- The Carnival Killer (2024) is 1 year older than Project0 (2025).
- The Carnival Killer is currently ~72% cheaper on Steam than Project0 (1.99 USD vs. 6.99 USD).
- Both support cooperative play.
Project0 vs The Carnival Killer — FAQ
- Should I play Project0 or The Carnival Killer first?
- If you want chronology, The Carnival Killer (2024) came out before Project0 (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 Project0 and The Carnival Killer 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 Project0 and The Carnival Killer have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Project0 ships Online Co-op, Co-op; The Carnival Killer ships Online Co-op, LAN Co-op.