This is the Zodiac Speaking

First-person detective thriller following the trail of the Zodiac killer

Punch Punk Games · Published by Wildlands Interactive, Ultimate Publishing, PlayWay S.A. · Released Oct 15, 2020

Reviews: Mixed; 56% of 87
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 5 years ago; Nov 13, 2020
Minimum PC: GeForce GTX 660; 4 GB RAM · 7 GB disk; Full requirements

What is This is the Zodiac Speaking?

This single-player, first-person adventure takes place in 1970s California, where journalist Robert Hartnell receives a call from the Zodiac killer. You gather evidence, reconstruct murders during psychological sessions, and use stealth to evade danger. The story has several possible endings.

For you if...

+you enjoy slow-burning mysteries with a noir atmosphere

Not for you if...

−you prefer investigations without stealth or horror

What players say

56% of 87 reviews are positive

Players praise the soundtrack and premise, though opinions on the writing are mixed. Complaints focus on tedious clue searches, unclear objectives, and inconsistent enemy behavior. A recent reviewer also reports bugs that prevent ending-related items from registering and cause dialogue to mismatch selected choices.

Screenshots and trailer

This is the Zodiac Speaking screenshot 1

This is the Zodiac Speaking system requirements

Minimum: GeForce GTX 660, 4 GB RAM, 7 GB of disk space.

As published by the developer.

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Minimum

OS: Requires a 64-bit processor and operating system
Processor: Intel Core i3 3.0 GHz
Graphics: NVidia GeForce GTX 660 2GB VRAM
Memory: 4 GB RAM
Storage: 7 GB available space
DirectX: Version 11
Notes: Demo/beta players please delete your saved games after updating to full version!

Does This is the Zodiac Speaking have co-op or multiplayer?

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

Single-player

Does This is the Zodiac Speaking run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 11
Steam features: Family Sharing
Languages: Full audio: English. Text only: French, German, Polish, Spanish - Latin America, Russian.

Does This is the Zodiac Speaking 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