Skip to content
POPULAR TODAY ARC Raiders Playtest Battlefield™ 6 ARC Raiders Fellowship Hogwarts Legacy Football Manager 26
Enter Submit to view all results. Ctrl+Enter View and filter in instant search.
Close ×
Search powered by Algolia

秘封ナイトメアダイアリー ～ Violet Detector.

Wishlist Follow Ignore Install Unwatch Watch
App ID 924650
App Type Game
Store Name Hifuu Nightmare Diary ~ Violet Detector.
Developer
Publisher Mediascape Co., Ltd.
Supported Systems Windows
Last Changenumber 30879402
Last Record Update 1 September 2025 – 07:08:16 UTC ()
Release Date 4 September 2018 – 22:26:58 UTC ()
❓ 71.04%
292 reviews
1
In-Game
💥 Action 💥 Bullet Hell 🎶 Great Soundtrack 🙏 Faith 🕹 Shoot 'Em Up

東方Project第16.5弾！ 超能力女子高生「宇佐見菫子」に、突如襲いかかる幻想郷の住人達。その恐ろしくも美しい弾幕を、スマホに撮りまくり、SNS映えを狙おう！ サイキカルでSNS映え狙いのシューティング幻想！

Steam price history

Current Price $10.99
Lowest Recorded Price $7.69 at -30% 17 August 2025
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar $10.99 $10.99 $7.69 $7.69 at -30%
Russian Ruble 269 ₽ $3.28 -70.08% $2.29 188 ₽ at -30%
Kazakhstani Tenge 1950₸ $3.62 -67.03% $2.53 1365₸ at -30%
Brazilian Real R$ 22,79 $4.18 -61.91% $2.92 R$ 15,95 at -30%
Ukrainian Hryvnia 179₴ $4.28 -60.98% $2.99 125₴ at -30%
Indian Rupee ₹ 379 $4.30 -60.82% $3.01 ₹ 265 at -30%
Indonesian Rupiah Rp 78999 $4.76 -56.64% $3.33 Rp 55299 at -30%
South African Rand R 85.00 $4.88 -55.55% $3.41 R 59.50 at -30%
Vietnamese Dong 130000₫ $4.93 -55.10% $3.45 91000₫ at -30%
Chilean Peso CLP$ 4900 $5.11 -53.47% $3.57 CLP$ 3430 at -30%
Colombian Peso COL$ 20000 $5.21 -52.55% $3.64 COL$ 14000 at -30%
Chinese Yuan ¥ 39 $5.47 -50.19% $3.83 ¥ 27.30 at -30%
Philippine Peso ₱319.95 $5.49 -49.99% $3.84 ₱223.96 at -30%
South Asia - USD $5.89 $5.89 -46.41% $4.12 $4.12 at -30%
Malaysian Ringgit RM25.50 $6.03 -45.09% $4.22 RM17.85 at -30%
Thai Baht ฿199.00 $6.05 -44.87% $4.24 ฿139.30 at -30%
Uruguayan Peso $U249 $6.23 -43.31% $4.35 $U174 at -30%
LATAM - U.S. Dollar $6.29 $6.29 -42.77% $6.29 $6.29
MENA - U.S. Dollar $6.29 $6.29 -42.77% $6.29 $6.29
Saudi Riyal 23.95 SR $6.38 -41.89% $4.46 16.76 SR at -30%
CIS - U.S. Dollar $6.69 $6.69 -39.13% $4.68 $4.68 at -30%
Mexican Peso Mex$ 123.99 $6.72 -38.84% $4.70 Mex$ 86.79 at -30%
Taiwan Dollar NT$ 208 $6.78 -38.29% $4.72 NT$ 145 at -30%
Kuwaiti Dinar 2.15 KD $7.03 -36.03% $4.90 1.50 KD at -30%
Peruvian Sol S/.24.00 $7.08 -35.52% $4.96 S/.16.80 at -30%
Japanese Yen ¥ 1100 $7.31 -33.43% $5.12 ¥ 770 at -30%
Qatari Riyal 26.99 QR $7.40 -32.64% $5.18 18.89 QR at -30%
Hong Kong Dollar HK$ 58.00 $7.46 -32.05% $5.22 HK$ 40.60 at -30%
New Zealand Dollar NZ$ 13.49 $7.71 -29.85% $5.39 NZ$ 9.44 at -30%
Norwegian Krone 79,00 kr $7.83 -28.68% $5.48 55,30 kr at -30%
South Korean Won ₩ 11500 $8.08 -26.40% $5.66 ₩ 8050 at -30%
Singapore Dollar S$11.00 $8.48 -22.75% $5.94 S$7.70 at -30%
U.A.E. Dirham 32.00 AED $8.71 -20.72% $6.09 22.40 AED at -30%
Canadian Dollar CDN$ 12.49 $8.89 -19.08% $6.22 CDN$ 8.74 at -30%
Costa Rican Colon ₡5000 $9.95 -9.39% $6.97 ₡3500 at -30%
Australian Dollar A$ 15.50 $10.03 -8.65% $7.02 A$ 10.85 at -30%
Euro 8,99€ $10.49 -4.54% $7.34 6,29€ at -30%
Polish Zloty 39,99zł $10.99 +0.05% $7.69 27,99zł at -30%
British Pound £8.29 $11.11 +1.11% $7.77 £5.80 at -30%
Israeli New Shekel ₪40.95 $12.37 +12.63% $8.66 ₪28.66 at -30%
Swiss Franc CHF 11.50 $14.53 +32.23% $10.17 CHF 8.05 at -30%
Valve suggested prices are shown on package pages.

Price history

Initializing price history graph…

Click on a currency name to load price history for that particular currency.
View lowest recorded prices on Steam store pages by using our browser extension.

Additional Information

Developer 上海アリス幻樂団
metacritic_name 秘封ナイトメアダイアリー ～ Violet Detector.
controller_support partial
ReleaseState released
Publisher Mediascape Co., Ltd.
Store Release Date 10 August 2018 – 07:00:00 UTC ()
osarch empty string
community_hub_visible Yes
Primary Genre Indie (23)
Store Genres Action (1), Indie (23)
Steam Release Date 4 September 2018 – 22:26:58 UTC ()
Original Release Date 10 August 2018 – 07:00:00 UTC () (1533884400)
Store Asset Modification Time 1 November 2022 – 07:03:40 UTC () (1667286220)
library_assets
library_capsuleen,ja
library_heroen,ja
library_logoen,ja
logo_position ↴
pinned_positionCenterCenter
width_pct100
height_pct100
name_localized
japanese秘封ナイトメアダイアリー ～ Violet Detector.
englishHifuu Nightmare Diary ~ Violet Detector.
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
  • test_timestamp: 24 June 2022 – 00:00:00 UTC
  • tested_build_id: 3030871
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav1
    primary_player_is_controller_slot_00
    non_deck_display_glyphs0
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-stable
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
First seen on SteamDB 14 August 2018 – 07:26:28 UTC (), in changelist #4941660

Supported Languages

1 Languages Interface Full Audio Subtitles
Japanese Yes Yes

Assets

Load all asset images
clienticon ee527a6bea4c8c0b8c2fb132f5767d0a11120b1e
clienttga 55be5f4788825659b9a8968f4b17b354534f736e
icon 4737667875bbd4e28aa2a41654fe8d3126d80da3
logo e2e4e1a4c6aea52f64a98587a3165e61eea90f78
logo_small e2e4e1a4c6aea52f64a98587a3165e61eea90f78_thumb
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image/japaneselibrary_600x900_japanese.jpg
image2x/englishlibrary_600x900_2x.jpg
image2x/japaneselibrary_600x900_japanese_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
image/japaneselibrary_hero_japanese.jpg
library_logo ↴
image/englishlogo.png
image/japaneselogo_japanese.png
image2x/englishlogo_2x.png
image2x/japaneselogo_japanese_2x.png
logo_position/pinned_positionCenterCenter
logo_position/width_pct100
logo_position/height_pct100
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
community_icon4737667875bbd4e28aa2a41654fe8d3126d80da3.jpg
page_background_pathapp/924650
raw_page_backgroundpage_bg_raw.jpg
timestamp1 November 2022 – 07:04:07 UTC

Trailer 178788 ↴

trailer_name 予告
trailer_category 0
trailer_480p ↴
video/webm 256725500/movie480.webm
video/mp4 256725500/movie480.mp4
trailer_max ↴
video/webm 256725500/movie_max.webm
video/mp4 256725500/movie_max.mp4
microtrailer ↴
video/webm 924650/178788/e437c6b40b111b77c5a05797df43c1775a1ec8fc/1751164725/microtrailer.webm
video/mp4 924650/178788/e437c6b40b111b77c5a05797df43c1775a1ec8fc/1751164725/microtrailer.mp4
adaptive_trailers ↴
dash_av1 924650/178788/e437c6b40b111b77c5a05797df43c1775a1ec8fc/1751164725/dash_av1.mpd
dash_h264 924650/178788/e437c6b40b111b77c5a05797df43c1775a1ec8fc/1751164725/dash_h264.mpd
hls_h264 924650/178788/e437c6b40b111b77c5a05797df43c1775a1ec8fc/1751164725/hls_264_master.m3u8
screenshot_medium 256725500/movie.293x165.jpg
screenshot_full 256725500/movie_full.jpg
all_ages true
is_highlight true
timestamp 16 August 2018 – 06:03:19 UTC
SteamDB does not own 秘封ナイトメアダイアリー ～ Violet Detector.
Gift the game to our bot to improve our data
Developer? Send us a key for complete data coverage
Open link