Choose Protocol Five
Choose Protocol Five if you want an Action experience. Protocol Five launched in 2024.
Protocol Five vs Norbert's Diary
Protocol Five and Norbert's Diary both land in Indie, Adventure 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 on Steam. Protocol Five (2024) is 1 year older than Norbert's Diary (2025). Norbert's Diary is currently ~60% cheaper on Steam than Protocol Five (1.99 USD vs. 4.99 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 Norbert's Diary
Choose Norbert's Diary if you want a Simulation experience. On Steam, it's currently about 60% cheaper on the Steam Store. Norbert's Diary launched in 2025.
Both Protocol Five and Norbert's Diary sit in Indie and Adventure 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
 Protocol Five |  Norbert's Diary | |
|---|---|---|
| Released | 2024 | 2025 |
| Genres | Action, Indie, Adventure | Indie, Adventure, Simulation |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 4.99 USD | 1.99 USD |
| Steam reviews | 3 reviews | 4 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | EddysssGames | Amiragian |
Side by side
- Both share Indie, Adventure on Steam.
- Protocol Five (2024) is 1 year older than Norbert's Diary (2025).
- Norbert's Diary is currently ~60% cheaper on Steam than Protocol Five (1.99 USD vs. 4.99 USD).
Protocol Five vs Norbert's Diary — FAQ
- Should I play Protocol Five or Norbert's Diary first?
- If you want chronology, Protocol Five (2024) came out before Norbert's Diary (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 Protocol Five and Norbert's Diary similar?
- They overlap on Indie, Adventure 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.