Doctor Who: The Lonely Assassins

A found-phone mystery involving a disappearance and the Weeping Angels

Maze Theory · Released Mar 18, 2021

As of Oct 28, 2026: -60% right now, $2.39

Reviews: Very Positive; 91% of 653
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Unsupported
Last update on Steam: 5 years ago; Aug 23, 2021
Minimum PC: HD 2400; 4 GB RAM · 2 GB disk; Full requirements

What is Doctor Who: The Lonely Assassins?

This single-player adventure centers on a disappearance linked to an apparently abandoned London house. You examine the missing person's phone, searching messages, emails, photos, and videos for clues and solving puzzles with help from scientist Petronella Osgood.

For you if...

+you enjoy reading-heavy mysteries with a little horror

Not for you if...

−you want a long campaign or action-focused gameplay

What players say

91% of 653 reviews are positive

Players praise the continuation of “Blink” and how the story captures the feel of a Doctor Who episode. Complaints center on highlighted clues and heavy guidance leaving little room for independent deduction, with some players also finding the pacing slow.

Screenshots and trailer

Doctor Who: The Lonely Assassins screenshot 1

Doctor Who: The Lonely Assassins system requirements

Minimum: HD 2400, 4 GB RAM, 2 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7
Processor: Intel Core i3, Ryzen 3 or equivalent
Graphics: nVidia GeForce 8800 GT, AMD Radeon HD 2400, Intel HD or any graphics card / APUs released from 2012 onwards
Memory: 4 GB RAM
Storage: 2 GB available space
DirectX: Version 9.0c

Does Doctor Who: The Lonely Assassins have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Doctor Who: The Lonely Assassins run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

Not supported on SteamOS

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Full audio: English. Text only: French, German, Japanese, Korean, Portuguese - Brazil, Spanish - Latin America, Simplified Chinese, Traditional Chinese.

Does Doctor Who: The Lonely Assassins use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam