Choose Post Mortem
Choose Post Mortem if it's Steam Deck Verified, so handheld play works out of the box. Post Mortem launched in 2011.
Post Mortem vs 古き薔薇の館 Old Rose Mansion
Post Mortem and 古き薔薇の館 Old Rose Mansion both land in 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 are Adventure games on Steam. Post Mortem (2011) is 13 years older than 古き薔薇の館 Old Rose Mansion (2024). 古き薔薇の館 Old Rose Mansion is currently ~63% cheaper on Steam than Post Mortem (2.99 USD vs. 7.99 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 古き薔薇の館 Old Rose Mansion
Choose 古き薔薇の館 Old Rose Mansion if it's currently about 63% cheaper on the Steam Store. 古き薔薇の館 Old Rose Mansion launched in 2024.
Both Post Mortem and 古き薔薇の館 Old Rose Mansion sit in 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
 Post Mortem |  古き薔薇の館 Old Rose Mansion | |
|---|---|---|
| Released | 2011 | 2024 |
| Genres | Adventure | Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 7.99 USD | 2.99 USD |
| Steam reviews | 49.2% positive (177 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | MC2 | wheel350 |
Side by side
- Both are Adventure games on Steam.
- Post Mortem (2011) is 13 years older than 古き薔薇の館 Old Rose Mansion (2024).
- 古き薔薇の館 Old Rose Mansion is currently ~63% cheaper on Steam than Post Mortem (2.99 USD vs. 7.99 USD).
- Post Mortem is Deck Verified on Steam Deck; 古き薔薇の館 Old Rose Mansion has no Deck rating yet.
Post Mortem vs 古き薔薇の館 Old Rose Mansion — FAQ
- Should I play Post Mortem or 古き薔薇の館 Old Rose Mansion first?
- If you want chronology, Post Mortem (2011) came out before 古き薔薇の館 Old Rose Mansion (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 Post Mortem and 古き薔薇の館 Old Rose Mansion similar?
- They overlap on 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.
- Does Post Mortem run on Steam Deck?
- Yes — Post Mortem is rated Deck Verified by Valve. 古き薔薇の館 Old Rose Mansion doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.