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Nuclear Design Bureau

Wishlist Follow Ignore Launch Unwatch Watch
App ID 4190240
App Type Game
Developer
Publisher Design Bureau KB-11
Supported Systems Windows
Last Changenumber 39438223
Last Record Update 2 October 2026 – 22:32:33 UTC ()
Release Date 15 September 2026 – 05:05:21 UTC ()
❓ 70.52%
345 reviews
155
In-Game
🖥️ Simulation 💡 Strategy ⚛️ Physics ☢️ Cold War 🔬 Science

Design. Simulate. Detonate. As a junior engineer at the Kurchatov Institute, you design atomic devices to satisfy the demands of the State. A hardcore physics game simulating hydrodynamics, neutron transport, and thermonuclear fusion.

Additional Information

Developer Design Bureau KB-11
community_visible_stats Yes
ReleaseState released
Publisher Design Bureau KB-11
Store Release Date 15 September 2026 – 05:05:23 UTC ()
osarch empty string
community_hub_visible Yes
Social Media https://discord.gg/c5JHbQ2vEU
Primary Genre Indie (23)
Store Genres Indie (23), Simulation (28), Strategy (2), Early Access (70)
Steam Release Date 15 September 2026 – 05:05:21 UTC ()
Store Asset Modification Time 29 September 2026 – 03:49:35 UTC () (1790653775)
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width_pct57.89473684210527
height_pct100
osextended empty string
review_score 6
review_percentage 75
Steam Deck Compatibility
  • Steam Deck:
  • Valve is still working on adding support for this game on Steam Deck
  •  
  • SteamOS:
  • Valve is still working on adding support for this game on SteamOS
  •  
  • category: Unsupported
  • steamos_compatibility: Unsupported
  • steam_machine_compatibility: 0
  • test_timestamp: 14 March 2026 – 00:00:00 UTC
  • tested_build_id: 22225013
  • steam_machine_tests:
  • configuration:
    supported_inputother
    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-stable
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
    requires_proton_soundfonts0
Content Descriptors General Mature Content (5)
controllertagwizard Yes
AI Content Type 1
Early Access Release Date 15 September 2026 – 00:00:00 UTC ()
First seen on SteamDB 17 November 2025 – 08:08:11 UTC (), in changelist #32290601
Content Descriptors (Including DLC) General Mature Content (5)

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes

Tags

🖥️ Simulation 💡 Strategy ⚛️ Physics ☢️ Cold War 🔬 Science 🧱 Sandbox 🧩 Puzzle 🖼️ 2D 👾 Pixel Graphics 😨 Dark 😓 Difficult 💥 Destruction 💻 Programming 🌌 God Game 📜 Historical 🎓 Tutorial 🌫 Atmospheric 🏅 Score Attack ☯ Minimalist 🐤 Early Access

Categories

Single-player Steam Achievements Steam Cloud Family Sharing Early Access Cloud Gaming Cloud Gaming (NVIDIA)

Accessibility Categories

Custom Volume Controls Playable without Timed Input Mouse Only Option Save Anytime

Assets

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last_modified2 October 2026 – 09:52:20 UTC
timestamp2 October 2026 – 09:52:20 UTC

Trailer 1347374 ↴

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trailer_category 1
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all_ages true
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timestamp 27 September 2026 – 11:41:58 UTC

Steam charts

  • 155 players right now
  • 195 24-hour peak
  • 575 all-time peak 16 September 2026
SteamDB.info

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Store data

Twitch stats

  • 0 viewers right now
  • 16 24-hour peak
  • 149 all-time peak
  •  

Owner estimations

Monthly players breakdown

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Steam hub followers history

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User reviews history

  • ❓ Mostly Positive
  • 70.52% SteamDB Rating
  • 258 74.8% positive reviews
  • 87 25.2% negative reviews

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How many players are playing Nuclear Design Bureau right now on Steam?

Steam player counter indicates there are currently 155 players live playing Nuclear Design Bureau on Steam.

Nuclear Design Bureau had an all-time peak of 575 concurrent players on 16 September 2026.

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