Choose Guidelines for the Book of Changes
Choose Guidelines for the Book of Changes if you want a Simulation experience. On Steam, it's currently about 90% cheaper on the Steam Store. Guidelines for the Book of Changes launched in 2024.
Guidelines for the Book of Changes vs OneOne
Guidelines for the Book of Changes and OneOne both land in Indie, Casual 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, Casual on Steam. Guidelines for the Book of Changes (2024) is 1 year older than OneOne (2025). Guidelines for the Book of Changes is currently ~90% cheaper on Steam than OneOne (0.99 USD vs. 9.99 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 OneOne
Choose OneOne if you want an Adventure experience. OneOne launched in 2025.
Both Guidelines for the Book of Changes and OneOne sit in Indie and Casual 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
 Guidelines for the Book of Changes |  OneOne | |
|---|---|---|
| Released | 2024 | 2025 |
| Genres | Indie, Simulation, Casual | Indie, Adventure, Casual |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 0.99 USD | 9.99 USD |
| Steam reviews | — | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | QIN YICHEN | Abyss Tech |
Side by side
- Both share Indie, Casual on Steam.
- Guidelines for the Book of Changes (2024) is 1 year older than OneOne (2025).
- Guidelines for the Book of Changes is currently ~90% cheaper on Steam than OneOne (0.99 USD vs. 9.99 USD).
Guidelines for the Book of Changes vs OneOne — FAQ
- Should I play Guidelines for the Book of Changes or OneOne first?
- If you want chronology, Guidelines for the Book of Changes (2024) came out before OneOne (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 Guidelines for the Book of Changes and OneOne similar?
- They overlap on Indie, Casual 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.