Out now

The Horus Heresy: Betrayal at Calth

Developed by Steel Wool Studios · Published by Steel Wool Studios

ActionStrategy
StatusOut now ReleaseMay 28, 2020 Price

At a glance

PlatformsWindows
ModesSingle-player, Multi-player, PvP, Online PvP, Cross-Platform Multiplayer
Price
StatusOut now
Early accessNo
Languages1

Overview

An action, strategy game by Steel Wool Studios, published by Steel Wool Studios — single-player, multi-player, pvp, online pvp.

Steam’s own one-line description: “The Horus Heresy: Betrayal at Calth is a turn-based combat epic set during the origin era of Warhammer 40k. Play on either PC or VR, as the game will detect your platform choice. Take command of Ultramarines as they battle against their traitorous brethren, the Word Bearers. VR HEADSET NOT REQUIRED.” — developer/publisher text via the Steam store page.

Reception & community

Steam reviewsMixed — 45% positive of 110
Owners (est.)0 – 20000
Player-voted tags:StrategyActionWarhammer 40KTurn-Based StrategyVRGames Workshop

Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.

Features & modes

Derived from the gameplay modes and feature categories Steam lists for The Horus Heresy: Betrayal at Calth.

FeatureSupported
Single-playerYes
MultiplayerYes
Co-opNo
Online co-opNo
PvPYes
Cross-platform multiplayerYes
Full controller supportNo
Partial controller supportNo
Steam Cloud savesNo
Steam AchievementsNo

System requirements (PC)

As published on the Steam store page. Requirements can change between updates.

Minimum

  • Requires a 64-bit processor and operating system
  • OS *: Windows 7
  • Processor: Intel® Core™ 2 Duo 3.0Ghz
  • Memory: 5 GB RAM
  • Graphics: NVIDIA GTX 960 1GB | AMD Radeon HD 5770 1GB | Intel HD4000 @720p
  • DirectX: Version 11
  • Storage: 30 GB available space

Recommended

  • Requires a 64-bit processor and operating system
  • Graphics: NVIDIA GeForce GTX 1060 4GB | AMD Radeon R9 290X 4GB @1080p
  • DirectX: Version 11
  • Storage: 40 GB available space

Supported languages (1)

English

The Horus Heresy: Betrayal at Calth FAQ

Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.

What kind of game is The Horus Heresy: Betrayal at Calth?

Steam classifies The Horus Heresy: Betrayal at Calth as a Action, Strategy game, developed by Steel Wool Studios. The Horus Heresy: Betrayal at Calth is a turn-based combat epic set during the origin era of Warhammer 40k. Play on either PC or VR, as the game will detect your platform choice. Take command of Ultramarines as they battle against their traitorous brethren, the Word Bearers. VR HEADSET NOT REQUIRED.

How much does The Horus Heresy: Betrayal at Calth cost?

As of June 2026, Steam hasn’t published a price for The Horus Heresy: Betrayal at Calth. We won’t guess one — check its Steam page.

Is The Horus Heresy: Betrayal at Calth single-player or multiplayer?

Steam lists these modes for The Horus Heresy: Betrayal at Calth: Single-player, Multi-player, PvP, Online PvP, Cross-Platform Multiplayer. It supports both solo and multiplayer.

Is The Horus Heresy: Betrayal at Calth on PlayStation, Xbox, or Switch?

Our data comes from the Steam (PC) store, which lists The Horus Heresy: Betrayal at Calth for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.

Does The Horus Heresy: Betrayal at Calth support cross-platform play?

Steam tags The Horus Heresy: Betrayal at Calth with Cross-Platform Multiplayer.

Is The Horus Heresy: Betrayal at Calth out yet?

Yes — Steam lists a release date of May 28, 2020.

What platforms is The Horus Heresy: Betrayal at Calth on?

The Horus Heresy: Betrayal at Calth is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.

Is The Horus Heresy: Betrayal at Calth single-player or multiplayer?

Steam lists these modes: Single-player, Multi-player, PvP, Online PvP, Cross-Platform Multiplayer.

How much does The Horus Heresy: Betrayal at Calth cost?

A current price isn't recorded in our data — check the Steam page.

Who made The Horus Heresy: Betrayal at Calth?

The Horus Heresy: Betrayal at Calth is developed by Steel Wool Studios and published by Steel Wool Studios.

Where to get The Horus Heresy: Betrayal at Calth

We don't sell games or track prices — this links to the official Steam store page.

View on Steam →

Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Steel Wool Studios.