Warhammer 40K Dark Heresy Steam Deck Performance First Look: Is it Playable?

Warhammer 40,000: Dark Heresy Closed Alpha Steam Deck Performance Test: 2026 Steam Deck Games – Handheld/Docked Gameplay, Docked Direct Capture Gameplay, Full Game FPS, Settings on SteamOS 3.7 – Lossless Scaling Bonus Test

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❗️All gameplay is captured live on handheld so you can always see the real Handheld experience, including FPS, settings, and battery life during extended play.

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Thank you to Owl Cat Games for providing a Steam Key to showcase Warhammer 40K Dark Heresy on the Steam Deck.

🎮 Steam Deck OLED
🕐 Tested: 12th January 2026
⚙️ SteamOS 3.7.19 Stable
🛠️ Installed on Internal Drive (Fresh Clean Install)
📀 Steam Version

⏱️ Timestamps ⏱️
00:00 – Combat – Low Preset Handheld
01:47 – Exploring – Low Preset Handheld
02:56 – Combat – Low Preset Handheld 2X FPS LSFG
04:08 – Exploring – Low Preset Handheld 2X FPS LSFG
05:14 – Combat – Low Preset Handheld Docked
08:16 – Settings Menu
08:28 – Combat – Low Preset Handheld Docked 2X FPS LSFG
09:59 – Combat – Steam Deck Preset Docked
11:16 – Exploring – Low Preset Docked
12:11 – Exploring – Low Preset Docked 2X FPS LSFG
13:14 – Exploring – Steam Deck Preset Docked
14:14 – Character Menus

Steam – https://store.steampowered.com/app/3710600/Warhammer_40000_Dark_Heresy/

“Become an acolyte of the Inquisition in this grim dark, party-based, story-driven cRPG. Lead investigations, uncover grand conspiracies, master tactical combat, and wage a secret war against heresy. Make tough choices as a conduit of the God-Emperor’s will.”

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Steam Deck OLED
SteamOS 3.7.19
4GB VRAM

Under section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, education, and research.
No Games Are Included Or Added

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