Choose Agatha Christie - Hercule Poirot: The First Cases
Choose Agatha Christie - Hercule Poirot: The First Cases if it's currently about 33% cheaper on the Steam Store. Agatha Christie - Hercule Poirot: The First Cases launched in 2021.
Agatha Christie - Hercule Poirot: The First Cases vs Arsene Lupin - Once a Thief
Agatha Christie - Hercule Poirot: The First Cases and Arsene Lupin - Once a Thief 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. Agatha Christie - Hercule Poirot: The First Cases (2021) is 3 years older than Arsene Lupin - Once a Thief (2024). Arsene Lupin - Once a Thief scores higher on Steam reviews (80% positive) than Agatha Christie - Hercule Poirot: The First Cases (73.3% positive). 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 Arsene Lupin - Once a Thief
Choose Arsene Lupin - Once a Thief if it's the newer release (2024) and ships with the modern feature baseline. Arsene Lupin - Once a Thief launched in 2024.
Both Agatha Christie - Hercule Poirot: The First Cases and Arsene Lupin - Once a Thief 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
 Agatha Christie - Hercule Poirot: The First Cases |  Arsene Lupin - Once a Thief | |
|---|---|---|
| Released | 2021 | 2024 |
| Genres | Adventure | Adventure |
| Platforms | Windows, macOS | Windows |
| Steam Deck | Deck Verified | Deck Verified |
| Price | 19.99 USD | 29.99 USD |
| Steam reviews | 73.3% positive (405 reviews) | 80% positive (35 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Blazing Griffin | Blazing Griffin |
Side by side
- Both are Adventure games on Steam.
- Agatha Christie - Hercule Poirot: The First Cases (2021) is 3 years older than Arsene Lupin - Once a Thief (2024).
- Arsene Lupin - Once a Thief scores higher on Steam reviews (80% positive) than Agatha Christie - Hercule Poirot: The First Cases (73.3% positive).
- Agatha Christie - Hercule Poirot: The First Cases is currently ~33% cheaper on Steam than Arsene Lupin - Once a Thief (19.99 USD vs. 29.99 USD).
- Both are Deck Verified.
Agatha Christie - Hercule Poirot: The First Cases vs Arsene Lupin - Once a Thief — FAQ
- Should I play Agatha Christie - Hercule Poirot: The First Cases or Arsene Lupin - Once a Thief first?
- If you want chronology, Agatha Christie - Hercule Poirot: The First Cases (2021) came out before Arsene Lupin - Once a Thief (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 Agatha Christie - Hercule Poirot: The First Cases and Arsene Lupin - Once a Thief 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.
- Do Agatha Christie - Hercule Poirot: The First Cases and Arsene Lupin - Once a Thief both run on Steam Deck?
- Yes — both are Steam Deck Verified, meaning Valve confirms they run with full controller support, legible text, and default settings out of the box.