Choose Library Of Ruina
Choose Library Of Ruina if you want an Indie and RPG experience. 13,230 Steam reviews back the pick.
Library Of Ruina vs Mammon: Devil Help
Library Of Ruina and Mammon: Devil Help both land in Strategy 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 Strategy games on Steam. Library Of Ruina (2021) is 3 years older than Mammon: Devil Help (2024). Mammon: Devil Help is currently ~67% cheaper on Steam than Library Of Ruina (9.99 USD vs. 29.99 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 Mammon: Devil Help
Choose Mammon: Devil Help if you want an Adventure and Early Access experience. On Steam, it's currently about 67% cheaper on the Steam Store. Mammon: Devil Help launched in 2024.
Both Library Of Ruina and Mammon: Devil Help sit in Strategy 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
 Library Of Ruina |  Mammon: Devil Help | |
|---|---|---|
| Released | 2021 | 2024 |
| Genres | Strategy, Indie, RPG | Strategy, Adventure, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 29.99 USD | 9.99 USD |
| Steam reviews | 96.4% positive (13,230 reviews) | 2 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | ProjectMoon | Dystopian Ruler |
Side by side
- Both are Strategy games on Steam.
- Library Of Ruina (2021) is 3 years older than Mammon: Devil Help (2024).
- Mammon: Devil Help is currently ~67% cheaper on Steam than Library Of Ruina (9.99 USD vs. 29.99 USD).
- Library Of Ruina is Deck Playable on Steam Deck; Mammon: Devil Help has no Deck rating yet.
Library Of Ruina vs Mammon: Devil Help — FAQ
- Should I play Library Of Ruina or Mammon: Devil Help first?
- If you want chronology, Library Of Ruina (2021) came out before Mammon: Devil Help (2024). 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 Library Of Ruina and Mammon: Devil Help similar?
- They overlap on Strategy 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 Library Of Ruina run on Steam Deck?
- Yes — Library Of Ruina is rated Deck Playable by Valve. Mammon: Devil Help doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.