Choose Book of Demons
Choose Book of Demons if you want an Action and Casual game with Steam Leaderboards. 3,873 Steam reviews back the pick.
Book of Demons vs Cyber Demon Protocol
Book of Demons and Cyber Demon Protocol both land in Indie, Adventure, 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 Indie, Adventure, RPG on Steam. Book of Demons (2018) is 10 years older than Cyber Demon Protocol (2028). Book of Demons is Deck Playable on Steam Deck; Cyber Demon Protocol has no Deck rating yet. 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 Cyber Demon Protocol
Choose Cyber Demon Protocol if you want a Strategy and Simulation game with Custom Volume Controls, Playable without Timed Input, and Mouse Only Option. On Steam, it's the newer release (2028) and ships with the modern feature baseline. Cyber Demon Protocol launched in 2028.
Both Book of Demons and Cyber Demon Protocol sit in Indie, Adventure, 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
 Book of Demons |  Cyber Demon Protocol | |
|---|---|---|
| Released | 2018 | 2028 |
| Genres | Action, Indie, Adventure, RPG, Casual | Strategy, Indie, Adventure, Simulation, RPG |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 24.99 USD | Price unknown |
| Steam reviews | 90.3% positive (3,873 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Thing Trunk | FHNBHJ |
Side by side
- Both share Indie, Adventure, RPG on Steam.
- Book of Demons (2018) is 10 years older than Cyber Demon Protocol (2028).
- Book of Demons is Deck Playable on Steam Deck; Cyber Demon Protocol has no Deck rating yet.
Book of Demons vs Cyber Demon Protocol — FAQ
- Should I play Book of Demons or Cyber Demon Protocol first?
- If you want chronology, Book of Demons (2018) came out before Cyber Demon Protocol (2028). 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 Book of Demons and Cyber Demon Protocol similar?
- They overlap on Indie, Adventure, 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 Book of Demons run on Steam Deck?
- Yes — Book of Demons is rated Deck Playable by Valve. Cyber Demon Protocol doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.