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Kodoku：As the Moon Mourns

Wishlist Follow Ignore Launch Unwatch Watch
App ID 3864610
App Type Game
Developer
Publisher Hirasaka
Supported Systems Windows
Last Changenumber 37471527
Last Record Update 23 July 2026 – 10:50:30 UTC ()
Release Date 7 May 2026 – 23:37:10 UTC ()
❓ 73.26%
7 reviews
0
In-Game
😱 Horror 🕴 Psychological Horror 🙏 Faith 💥 Action 🎒 Survival Horror

Kodoku is a single-player survival horror experience that challenges you to escape a monster-infested dimension. Urohoshi, a university folklore professor, sets out on a journey through a darkness-filled otherworld in search of his missing friend—gathering souls while evading grotesque monsters.

【Japan's Indie Game Event】OSAKA INDIE GAMES SUMMIT 2026

Steam price history

Special Promotion, ends 8 October 2026
Current Price -33% $5.29
Lowest Recorded Price -33% $5.29 25 June 2026
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar -33% $5.29 $5.29 $5.29 -33% $5.29
Philippine Peso -33% ₱178.19 $2.84 -46.22% $2.84 -33% ₱178.19
Indian Rupee -33% ₹ 274 $2.84 -46.20% $2.84 -33% ₹ 274
Indonesian Rupiah -33% Rp 51008 $2.85 -46.08% $2.85 -33% Rp 51008
Ukrainian Hryvnia -33% 129₴ $2.87 -45.74% $2.87 -33% 129₴
Russian Ruble -33% 254,67 ₽ $3.05 -42.26% $3.05 -33% 254,67 ₽
Vietnamese Dong -33% 80000₫ $3.07 -41.82% $3.07 -33% 80000₫
Thai Baht -33% ฿109.31 $3.25 -38.50% $3.25 -33% ฿109.31
Chinese Yuan -33% ¥ 21.86 $3.26 -38.37% $3.26 -33% ¥ 21.86
CIS - U.S. Dollar -33% $3.30 $3.30 -37.62% $3.30 -33% $3.30
LATAM - U.S. Dollar -33% $3.30 $3.30 -37.62% $3.30 -33% $3.30
MENA - U.S. Dollar -33% $3.30 $3.30 -37.62% $3.30 -33% $3.30
SASIA - U.S. Dollar -33% $3.30 $3.30 -37.62% $3.30 -33% $3.30
Malaysian Ringgit -33% RM13.74 $3.36 -36.40% $3.36 -33% RM13.74
South African Rand -33% R 56.97 $3.41 -35.46% $3.41 -33% R 56.97
Taiwan Dollar -34% NT$ 115 $3.60 -31.88% $3.60 -34% NT$ 115
Chilean Peso -33% CLP$ 3576 $3.64 -31.14% $3.64 -33% CLP$ 3576
Saudi Riyal -33% 13.90 SR $3.69 -30.19% $3.69 -33% 13.90 SR
Kazakhstani Tenge -33% 1676₸ $3.77 -28.56% $3.77 -33% 1676₸
Brazilian Real -33% R$ 19,87 $3.80 -28.14% $3.80 -33% R$ 19,87
Kuwaiti Dinar -34% 1.25 KD $4.04 -23.49% $4.04 -34% 1.25 KD
Hong Kong Dollar -33% HK$ 31.79 $4.05 -23.41% $4.05 -33% HK$ 31.79
Peruvian Sol -33% S/.14.23 $4.10 -22.45% $4.10 -33% S/.14.23
Qatari Riyal -33% 15.07 QR $4.13 -21.84% $4.13 -33% 15.07 QR
Mexican Peso -33% Mex$ 76.17 $4.16 -21.21% $4.16 -33% Mex$ 76.17
Japanese Yen -33% ¥ 663 $4.20 -20.59% $4.20 -33% ¥ 663
South Korean Won -33% ₩ 5760 $4.26 -19.47% $4.26 -33% ₩ 5760
Colombian Peso -33% COL$ 14573 $4.38 -17.16% $4.38 -33% COL$ 14573
Canadian Dollar -33% CDN$ 6.39 $4.49 -15.04% $4.49 -33% CDN$ 6.39
Uruguayan Peso -33% $U184 $4.56 -13.70% $4.56 -33% $U184
New Zealand Dollar -33% NZ$ 8.27 $4.64 -12.28% $4.64 -33% NZ$ 8.27
U.A.E. Dirham -33% 18.05 AED $4.91 -7.09% $4.91 -33% 18.05 AED
Singapore Dollar -33% S$6.33 $4.94 -6.47% $4.94 -33% S$6.33
Australian Dollar -33% A$ 7.62 $5.28 -0.13% $5.28 -33% A$ 7.62
Swiss Franc -33% CHF 4.76 $5.73 +8.46% $5.73 -33% CHF 4.76
Polish Zloty -33% 22,85zł $5.87 +11.04% $5.87 -33% 22,85zł
Euro -33% 5,40€ $6.07 +14.81% $6.07 -33% 5,40€
Costa Rican Colon -33% ₡2815 $6.15 +16.38% $6.15 -33% ₡2815
Israeli New Shekel -33% ₪19.04 $6.19 +17.17% $6.19 -33% ₪19.04
British Pound -33% £4.73 $6.24 +18.09% $6.24 -33% £4.73
Norwegian Krone -33% 63,26 kr $6.57 +24.27% $6.57 -33% 63,26 kr
Valve suggested prices are shown on package pages.

Price history

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View lowest recorded prices on Steam store pages by using our browser extension.

Additional Information

Developer Hirasaka
controller_support full
community_visible_stats Yes
ReleaseState released
Publisher Hirasaka
Store Release Date 7 May 2026 – 23:37:12 UTC ()
osarch empty string
community_hub_visible Yes
Social Media https://x.com/hirasaka_anime
https://www.youtube.com/@hirasaka_foundfootage-ck4iu/featured
Primary Genre Indie (23)
Store Genres Action (1), Indie (23)
Steam Release Date 7 May 2026 – 23:37:10 UTC ()
Store Asset Modification Time 25 April 2026 – 07:21:48 UTC () (1777101708)
library_assets
library_capsuleen
library_heroen
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logo_position ↴
pinned_positionBottomLeft
width_pct72.93364377182772
height_pct78.49679411066253
osextended empty string
name_localized
japaneseKodoku -コドク-
Steam Deck Compatibility
  • Steam Deck:
  • This game's graphics settings cannot be configured to run well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: This game does not default to external Bluetooth/USB controllers on SteamOS, and may require manually switching the active controller via the Quick Access Menu
  •  
  • category: Unsupported
  • steamos_compatibility: Compatible
  • steam_machine_compatibility: 0
  • test_timestamp: 23 May 2026 – 00:00:00 UTC
  • tested_build_id: 23172852
  • steam_machine_tests:
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_01
    non_deck_display_glyphs0
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-11.0-beta
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
    requires_proton_soundfonts0
Content Descriptors Frequent Violence or Gore (2), General Mature Content (5)
controllertagwizard Yes
AI Content Type 1
First seen on SteamDB 7 July 2025 – 09:57:12 UTC (), in changelist #29928202
Content Descriptors (Including DLC) Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

3 Languages Interface Full Audio Subtitles Achievements
English Yes Yes Yes
Simplified Chinese Yes Yes Yes
Japanese Yes Yes Yes Yes

Assets

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Assets
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page_background_pathapp/3864610
last_modified7 May 2026 – 23:37:11 UTC
timestamp7 May 2026 – 23:37:11 UTC

Trailer 965368 ↴

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trailer_category 3
microtrailer ↴
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adaptive_trailers ↴
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timestamp 20 April 2026 – 12:45:06 UTC

Trailer 965375 ↴

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trailer_category 1
microtrailer ↴
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adaptive_trailers ↴
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timestamp 20 April 2026 – 12:45:08 UTC
Open link