Choose Doctor Who: The Lonely Assassins
Choose Doctor Who: The Lonely Assassins if you want a Casual experience. On Steam, it's currently about 49% cheaper on the Steam Store. Doctor Who: The Lonely Assassins launched in 2021.
Doctor Who: The Lonely Assassins vs Accident Investigator Simulator: Black Box
Doctor Who: The Lonely Assassins and Accident Investigator Simulator: Black Box both land in Indie, 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 share Indie, Adventure on Steam. Doctor Who: The Lonely Assassins (2021) is 5 years older than Accident Investigator Simulator: Black Box (2026). Doctor Who: The Lonely Assassins is currently ~49% cheaper on Steam than Accident Investigator Simulator: Black Box (5.99 USD vs. 11.69 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 Accident Investigator Simulator: Black Box
Choose Accident Investigator Simulator: Black Box if you want a Simulation game with Adjustable Text Size, Custom Volume Controls, and Playable without Timed Input. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Accident Investigator Simulator: Black Box launched in 2026.
Both Doctor Who: The Lonely Assassins and Accident Investigator Simulator: Black Box sit in Indie and 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
 Doctor Who: The Lonely Assassins |  Accident Investigator Simulator: Black Box | |
|---|---|---|
| Released | 2021 | 2026 |
| Genres | Indie, Adventure, Casual | Indie, Adventure, Simulation |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 5.99 USD | 11.69 USD |
| Steam reviews | 88.4% positive (293 reviews) | — |
| Multiplayer | Single-player only | Single-player only |
| Developers | Maze Theory | Cottondream Studio |
Side by side
- Both share Indie, Adventure on Steam.
- Doctor Who: The Lonely Assassins (2021) is 5 years older than Accident Investigator Simulator: Black Box (2026).
- Doctor Who: The Lonely Assassins is currently ~49% cheaper on Steam than Accident Investigator Simulator: Black Box (5.99 USD vs. 11.69 USD).
- Doctor Who: The Lonely Assassins is Deck Unsupported on Steam Deck; Accident Investigator Simulator: Black Box has no Deck rating yet.
Doctor Who: The Lonely Assassins vs Accident Investigator Simulator: Black Box — FAQ
- Should I play Doctor Who: The Lonely Assassins or Accident Investigator Simulator: Black Box first?
- If you want chronology, Doctor Who: The Lonely Assassins (2021) came out before Accident Investigator Simulator: Black Box (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 Doctor Who: The Lonely Assassins and Accident Investigator Simulator: Black Box similar?
- They overlap on Indie, 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.