Choose アカイロマンション完全版
Choose アカイロマンション完全版 if it's currently about 35% cheaper on the Steam Store. アカイロマンション完全版 launched in 2024.
アカイロマンション完全版 vs Kugayama Shiori's Death Diary
アカイロマンション完全版 and Kugayama Shiori's Death Diary 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. アカイロマンション完全版 (2024) is 2 years older than Kugayama Shiori's Death Diary (2026). アカイロマンション完全版 is currently ~35% cheaper on Steam than Kugayama Shiori's Death Diary (12.99 USD vs. 19.99 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 Kugayama Shiori's Death Diary
Choose Kugayama Shiori's Death Diary if you want a Casual experience. On Steam, it's Steam Deck Verified, so handheld play works out of the box. Kugayama Shiori's Death Diary launched in 2026.
Both アカイロマンション完全版 and Kugayama Shiori's Death Diary 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
 アカイロマンション完全版 |  Kugayama Shiori's Death Diary | |
|---|---|---|
| Released | 2024 | 2026 |
| Genres | Adventure | Adventure, Casual |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Unrated | Deck Verified |
| Price | 12.99 USD | 19.99 USD |
| Steam reviews | — | 100% positive (11 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | studio.praparat | Laplacian |
Side by side
- Both are Adventure games on Steam.
- アカイロマンション完全版 (2024) is 2 years older than Kugayama Shiori's Death Diary (2026).
- アカイロマンション完全版 is currently ~35% cheaper on Steam than Kugayama Shiori's Death Diary (12.99 USD vs. 19.99 USD).
- Kugayama Shiori's Death Diary is Deck Verified on Steam Deck; アカイロマンション完全版 has no Deck rating yet.
アカイロマンション完全版 vs Kugayama Shiori's Death Diary — FAQ
- Should I play アカイロマンション完全版 or Kugayama Shiori's Death Diary first?
- If you want chronology, アカイロマンション完全版 (2024) came out before Kugayama Shiori's Death Diary (2026). 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 アカイロマンション完全版 and Kugayama Shiori's Death Diary 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.