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41 Hours: Prologue

App ID 1536830
App Type Game
Developer
Publisher ValkyrieInitiative
Supported Systems Windows
Technologies Unreal Engine
Last Changenumber 29915425
Last Record Update 6 July 2025 – 03:10:29 UTC ()
Release Date 19 March 2021 – 17:00:06 UTC ()

41 Hours is a first-person shooter dramatic game that follows the narrative of Ethan, a workaholic scientist in search of his long-lost wife. This is a one-hour prologue of the incredible, action-packed journey.

Additional Information

This game is excluded from Steam Family Sharing because: Free Game

Developer Texelworks
community_visible_stats Yes
ReleaseState released
Publisher ValkyrieInitiative
IsFreeApp Yes
Exclude from family sharing (exfgls) 3 (Free Game)
Store Release Date 19 March 2021 – 17:00:06 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://discord.gg/EHpmDauaAv
Primary Genre Action (1)
Store Genres Action (1)
Steam Release Date 19 March 2021 – 17:00:06 UTC ()
Store Asset Modification Time 1 March 2021 – 19:47:14 UTC () (1614628034)
library_assets
library_capsuleen
library_heroen
library_logoen
logo_position ↴
pinned_positionBottomCenter
width_pct66.97416585041668
height_pct49.35816248449828
osextended empty string
Is free on the store? Yes
review_score 5
review_percentage 58
Detected Technologies (?) Unreal Engine, NVIDIA_APEX SDK, NVIDIA_Nsight_Aftermath SDK, NVIDIA_PhysX SDK, NvCloth SDK, OculusXRPlugin SDK, Ogg SDK, OpenVR SDK, Vorbis SDK
Steam Deck Compatibility
  • Steam Deck:
  • Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • Some in-game text is small and may be difficult to read
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 27 June 2025 – 00:00:00 UTC
  • tested_build_id: 6808986
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs1
    small_text1
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-9.0-4RC
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
Content Descriptors Frequent Violence or Gore (2), General Mature Content (5)
First seen on SteamDB 26 January 2021 – 17:41:41 UTC (), in changelist #10570920
Content Descriptors (Including DLC) Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

3 Languages Interface Full Audio Subtitles
English Yes Yes Yes
Russian Yes Yes
Simplified Chinese Yes Yes

Tags

Categories

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header_image
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logo_position/width_pct66.97416585041668
logo_position/height_pct49.35816248449828
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Assets
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small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
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library_herolibrary_hero.jpg
community_icon6bebc602c66a77ba2ca0a8113ad60a4a30e010bf.jpg
page_background_pathapp/1536830
raw_page_backgroundpage_bg_raw.jpg
timestamp13 April 2022 – 15:12:29 UTC
Trailers
256824169 ↴
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trailer_category0
trailer_480p/video/webm256824169/movie480_vp9.webm
trailer_480p/video/mp4256824169/movie480.mp4
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trailer_max/video/mp4256824169/movie_max.mp4
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screenshot_full256824169/movie_full.jpg
trailer_base_id350988
all_agestrue
is_highlighttrue
timestamp1614620378
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