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Open At Nine

Wishlist Follow Ignore Install Unwatch Watch
App ID 2270600
App Type Game
Developer
Publisher Mango Party, Mango Party News
Franchise Mango Party
Supported Systems Windows
Technologies Unity Engine
Last Changenumber 29731685
Last Record Update 24 June 2025 – 23:08:10 UTC ()
Release Date 13 April 2023 – 02:02:50 UTC ()
😏 78.05%
504 reviews
9
In-Game

“Massive debt, a shabby brothel, and a naughty succubus… This is all I get for defeating the Demon God?!” Hire monster girls to attract customers and pay off your debts! Don't forget to give your girls lots of hands-on job training!

Additional Information

Developer Black Cat Entertainment
community_visible_stats Yes
DLCAvailableOnStore Yes
ReleaseState released
Publisher Mango Party
Store Release Date 13 April 2023 – 02:02:54 UTC ()
osarch empty string
community_hub_visible Yes
Primary Genre Casual (4)
Store Genres Casual (4), Simulation (28)
Steam Release Date 13 April 2023 – 02:02:50 UTC ()
Store Asset Modification Time 13 April 2023 – 10:05:43 UTC () (1681380343)
library_assets
library_capsuleen
library_heroen
library_logoen,zh-cn,zh-tw,ja
logo_position ↴
pinned_positionBottomLeft
width_pct61.551925320886824
height_pct67.09807646639753
osextended empty string
name_localized
tchinese九點開張
japanese九時開業
englishOpen At Nine
schinese九点开张
review_score 8
review_percentage 83
Detected Technologies (?) Unity Engine, cURL SDK
Steam Deck Compatibility
  • Steam Deck:
  • 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 doesn't support Steam Deck's native display resolution and may experience degraded performance
  • All functionality is accessible when using the default controller configuration
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 28 April 2023 – 00:00:00 UTC
  • tested_build_id: 11037717
  • 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-8.0-1
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
restricted_countries CN,DE
China, Germany
Content Descriptors Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5)
First seen on SteamDB 3 January 2023 – 02:41:45 UTC (), in changelist #17251486
Content Descriptors (Including DLC) Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5)

Supported Languages

4 Languages Interface Full Audio Subtitles Achievements
English Yes Yes Yes
Traditional Chinese Yes Yes Yes
Japanese Yes Yes Yes Yes
Simplified Chinese Yes Yes Yes

Tags

🔞 Sexual Content 🍑 Nudity 🥵 Hentai 🫣 NSFW 🙈 Mature 😌 Casual 📚 Visual Novel 🌸 Anime 🖥️ Simulation 💘 Dating Sim 🎭 Fantasy 📚 Story Rich 💼 Management 🏰 Medieval 👤 Singleplayer 🏳️‍🌈 LGBTQ+ 🔫 FPS 💥 Action 🥽 VR 💥 Souls-like

Categories

Single-player Steam Achievements Steam Cloud Family Sharing Adult Only

Assets

Load all asset images
clienticon 8f2c5087c8e8dde1f7883ce9a9431fa61b26b27f
clienttga f94c6359e261a21c87cdc536933d75ef0a17be82
icon b1ad258bfb6925a3d4ec92c976eb2cba0844d7c1
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image2x/englishlibrary_600x900_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
library_logo ↴
image/englishlogo.png
image/schineselogo_schinese.png
image/tchineselogo_tchinese.png
image/japaneselogo_japanese.png
image2x/englishlogo_2x.png
image2x/schineselogo_schinese_2x.png
image2x/tchineselogo_tchinese_2x.png
image2x/japaneselogo_japanese_2x.png
logo_position/pinned_positionBottomLeft
logo_position/width_pct61.551925320886824
logo_position/height_pct67.09807646639753
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_iconb1ad258bfb6925a3d4ec92c976eb2cba0844d7c1.jpg
page_background_pathapp/2270600
raw_page_backgroundpage_bg_raw.jpg
timestamp30 August 2024 – 06:51:42 UTC
Trailers
256935281 ↴
trailer_nameEN
trailer_category0
trailer_480p/video/webm256935281/movie480_vp9.webm
trailer_480p/video/mp4256935281/movie480.mp4
trailer_max/video/webm256935281/movie_max_vp9.webm
trailer_max/video/mp4256935281/movie_max.mp4
microtrailer/video/webm2270600/547429/f4b48c44ca18ef2063fa2566fd5a0e43bec4fdc2/1750810024/microtrailer.webm
microtrailer/video/mp42270600/547429/f4b48c44ca18ef2063fa2566fd5a0e43bec4fdc2/1750810024/microtrailer.mp4
screenshot_medium256935281/movie.293x165.jpg
screenshot_full256935281/movie_full.jpg
trailer_base_id547429
all_agesfalse
is_highlighttrue
timestamp1681195216

Bundles

ID Name % Set Created
23584 Mango Party Bundle -11% No 11 November 2021 – 20:05:46 UTC
30895 VN bundle -10% No 10 March 2023 – 14:07:17 UTC
37419 monster girl bundle 2 -10% No 15 December 2023 – 14:04:53 UTC
55459 Black Cat Bundle -20% No 19 June 2025 – 13:00:26 UTC

Store Packages

SubID Name Billing Type Last Update
814499 Open At Nine Store or CD Key 25 June 2025 – 09:00:04 UTC

Packages

SubID Name Billing Type Last Update
814498 Steam Sub 814498 CD Key 11 January 2023 – 14:34:58 UTC
861311 Steam Sub 861311 No Cost 12 April 2023 – 08:26:32 UTC

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