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49 Keys

App ID 2660250
App Type Game
Developer , ,
Publisher 2P Games
Franchise 2P Games
Supported Systems Windows
Technologies Unity Engine
Last Changenumber 31103494
Last Record Update 14 September 2025 – 14:27:50 UTC ()
Release Date 14 November 2024 – 01:59:52 UTC ()

It all began when you opened that letter. Penned by your late master, it details how you are now heir to his mysterious legacy. You set off for the island on which he'd spent his final years... and so a truly unsettling journey begins, a journey into the deepest secrets of magic and the occult.

Daily Deals: 2P Games Publisher Sale

Steam price history

Daily Deal, ends 27 October 2025
Current Price -30% $6.99
Lowest Recorded Price $6.99 at -30% 26 June 2025
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar -30% $6.99 $6.99 $6.99 $6.99 at -30%
Russian Ruble -30% 269 ₽ $3.30 -52.70% $3.30 269 ₽ at -30%
Ukrainian Hryvnia -30% 157₴ $3.76 -46.20% $3.76 157₴ at -30%
Kazakhstani Tenge -30% 2030₸ $3.77 -46.06% $3.77 2030₸ at -30%
Vietnamese Dong -30% 99500₫ $3.77 -45.96% $3.77 99500₫ at -30%
Indian Rupee -30% ₹ 336 $3.81 -45.38% $3.81 ₹ 336 at -30%
Indonesian Rupiah -30% Rp 63699 $3.83 -45.12% $3.83 Rp 63699 at -30%
South Asia - USD -30% $3.84 $3.84 -45.06% $3.84 $3.84 at -30%
South African Rand -30% R 70.00 $4.01 -42.55% $4.01 R 70.00 at -30%
Philippine Peso -30% ₱234.50 $4.02 -42.48% $4.02 ₱234.50 at -30%
LATAM - U.S. Dollar -30% $4.05 $4.05 -42.06% $4.05 $4.05 at -30%
MENA - U.S. Dollar -30% $4.05 $4.05 -42.06% $4.05 $4.05 at -30%
Chinese Yuan -30% ¥ 29.40 $4.12 -40.93% $4.12 ¥ 29.40 at -30%
Saudi Riyal -30% 15.74 SR $4.19 -39.96% $4.19 15.74 SR at -30%
Chilean Peso -30% CLP$ 4025 $4.22 -39.55% $4.22 CLP$ 4025 at -30%
Taiwan Dollar -30% NT$ 131 $4.27 -38.88% $4.27 NT$ 131 at -30%
Brazilian Real -30% R$ 23,09 $4.27 -38.81% $4.27 R$ 23,09 at -30%
CIS - U.S. Dollar -30% $4.40 $4.40 -37.05% $4.40 $4.40 at -30%
Malaysian Ringgit -30% RM18.72 $4.42 -36.67% $4.42 RM18.72 at -30%
Kuwaiti Dinar -30% 1.36 KD $4.43 -36.49% $4.43 1.36 KD at -30%
Thai Baht -30% ฿154.00 $4.68 -32.95% $4.68 ฿154.00 at -30%
Colombian Peso -30% COL$ 18200 $4.70 -32.76% $4.70 COL$ 18200 at -30%
Mexican Peso -30% Mex$ 86.79 $4.70 -32.72% $4.70 Mex$ 86.79 at -30%
Peruvian Sol -30% S/.16.10 $4.77 -31.69% $4.77 S/.16.10 at -30%
Qatari Riyal -30% 17.49 QR $4.80 -31.32% $4.80 17.49 QR at -30%
South Korean Won -30% ₩ 7700 $5.37 -23.05% $5.37 ₩ 7700 at -30%
Singapore Dollar -30% S$7.00 $5.39 -22.82% $5.39 S$7.00 at -30%
Uruguayan Peso -30% $U217 $5.45 -22.03% $5.45 $U217 at -30%
U.A.E. Dirham -30% 20.30 AED $5.52 -20.93% $5.52 20.30 AED at -30%
Japanese Yen -30% ¥ 840 $5.54 -20.73% $5.54 ¥ 840 at -30%
New Zealand Dollar -30% NZ$ 10.32 $5.90 -15.51% $5.90 NZ$ 10.32 at -30%
Hong Kong Dollar -30% HK$ 46.20 $5.94 -14.94% $5.94 HK$ 46.20 at -30%
Costa Rican Colon -30% ₡3220 $6.40 -8.36% $6.40 ₡3220 at -30%
Canadian Dollar -30% CDN$ 9.09 $6.47 -7.37% $6.47 CDN$ 9.09 at -30%
Australian Dollar -30% A$ 10.15 $6.57 -5.96% $6.57 A$ 10.15 at -30%
Norwegian Krone -30% 77,00 kr $7.64 +9.42% $7.64 77,00 kr at -30%
Israeli New Shekel -30% ₪25.86 $7.84 +12.25% $7.84 ₪25.86 at -30%
Euro -30% 6,82€ $7.91 +13.30% $7.91 6,82€ at -30%
British Pound -30% £5.95 $7.95 +13.87% $7.95 £5.95 at -30%
Polish Zloty -30% 32,19zł $8.81 +26.11% $8.81 32,19zł at -30%
Swiss Franc -30% CHF 7.69 $9.68 +38.50% $9.68 CHF 7.69 at -30%
Valve suggested prices are shown on package pages.

Price history

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Additional Information

Developer Michele Buonanno
controller_support partial
community_visible_stats Yes
ReleaseState released
Publisher 2P Games
Store Release Date 14 November 2024 – 01:59:55 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://discord.gg/2p-games-539635951513632768
https://space.bilibili.com/303113837
https://x.com/2Pcom
https://www.youtube.com/@2PGamesOfficial
Primary Genre Adventure (25)
Store Genres Adventure (25), Indie (23)
Steam Release Date 14 November 2024 – 01:59:52 UTC ()
Store Asset Modification Time 1 July 2025 – 10:24:55 UTC () (1751365495)
library_assets
library_capsuleen
library_heroen
library_logoen
library_headeren
logo_position ↴
pinned_positionBottomLeft
width_pct81.54831199068686
height_pct68.23708122104627
osextended empty string
name_localized
schinese四十九把钥匙
tchinese四十九把鑰匙
review_score 8
review_percentage 87
Detected Technologies (?) Unity Engine, SteamworksNET SDK, UnityBurst SDK, UnityURP SDK, cURL SDK
Steam Deck Compatibility
  • Steam Deck:
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • This game requires manually enabling controller support using in-game settings
  • All functionality is accessible when using the default controller configuration
  • In-game interface text is legible on Steam Deck
  • This game's default graphics configuration performs well on Steam Deck
  • Note: This game does not default to external Bluetooth/USB controllers on Deck, and may require manually switching the active controller via the Quick Access Menu
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: This game requires manually enabling controller support using in-game settings
  • 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: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 15 May 2025 – 00:00:00 UTC
  • tested_build_id: 16431530
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_01
    non_deck_display_glyphs1
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-9.0-3RC
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
controllertagwizard Yes
First seen on SteamDB 19 October 2023 – 06:47:32 UTC (), in changelist #20743603

Supported Languages

5 Languages Interface Full Audio Subtitles Achievements
English Yes Yes Yes
Italian Yes Yes Yes
Simplified Chinese Yes Yes Yes
Traditional Chinese Yes Yes
Russian Yes Yes Yes
clienticon 91c15c72479ed57a28e9a9ebbd20f16ea6e96708
clienttga 37e29e690fcf59ea392cb8cf229fdd9c38151891
icon edfc1d7b6879de2b040940b8cdcf4a3965bfc53e
small_capsule
englishcapsule_231x87.jpg
schinesecapsule_231x87_schinese.jpg
tchinesecapsule_231x87_tchinese.jpg
header_image
englishheader.jpg
schineseheader_schinese.jpg
tchineseheader_tchinese.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image2x/englishlibrary_600x900_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
image2x/englishlibrary_hero_2x.jpg
library_logo ↴
image/englishlogo.png
image2x/englishlogo_2x.png
logo_position/pinned_positionBottomLeft
logo_position/width_pct81.54831199068686
logo_position/height_pct68.23708122104627
library_header ↴
image/englishlibrary_header.jpg
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
library_hero_2xlibrary_hero_2x.jpg
community_iconedfc1d7b6879de2b040940b8cdcf4a3965bfc53e.jpg
page_background_pathapp/2660250
timestamp1 July 2025 – 10:25:19 UTC
trailer_name Launch Trailer
trailer_category 0
trailer_480p ↴
video/webm 257073302/movie480_vp9.webm
video/mp4 257073302/movie480.mp4
trailer_max ↴
video/webm 257073302/movie_max_vp9.webm
video/mp4 257073302/movie_max.mp4
microtrailer ↴
video/webm 2660250/785578/9579a83e11001b3fae7d7f07b3de0bdd0536d669/1750940758/microtrailer.webm
video/mp4 2660250/785578/9579a83e11001b3fae7d7f07b3de0bdd0536d669/1750940758/microtrailer.mp4
adaptive_trailers ↴
dash_av1 2660250/785578/9579a83e11001b3fae7d7f07b3de0bdd0536d669/1750940758/dash_av1.mpd
dash_h264 2660250/785578/9579a83e11001b3fae7d7f07b3de0bdd0536d669/1750940758/dash_h264.mpd
hls_h264 2660250/785578/9579a83e11001b3fae7d7f07b3de0bdd0536d669/1750940758/hls_264_master.m3u8
screenshot_medium 257073302/3eedc14f5ce2418127408f35b5f818a2e2fc1c61/movie_600x337.jpg
screenshot_full 257073302/3eedc14f5ce2418127408f35b5f818a2e2fc1c61/movie_full.jpg
all_ages true
is_highlight true
timestamp 14 November 2024 – 03:07:35 UTC
trailer_name Trailer
trailer_category 0
trailer_480p ↴
video/webm 257066334/movie480_vp9.webm
video/mp4 257066334/movie480.mp4
trailer_max ↴
video/webm 257066334/movie_max_vp9.webm
video/mp4 257066334/movie_max.mp4
microtrailer ↴
video/webm 2660250/773735/cacff9bd055c055163f1d3a92dfc4afab10eacc6/1750940757/microtrailer.webm
video/mp4 2660250/773735/cacff9bd055c055163f1d3a92dfc4afab10eacc6/1750940757/microtrailer.mp4
adaptive_trailers ↴
dash_av1 2660250/773735/cacff9bd055c055163f1d3a92dfc4afab10eacc6/1750940757/dash_av1.mpd
dash_h264 2660250/773735/cacff9bd055c055163f1d3a92dfc4afab10eacc6/1750940757/dash_h264.mpd
hls_h264 2660250/773735/cacff9bd055c055163f1d3a92dfc4afab10eacc6/1750940757/hls_264_master.m3u8
screenshot_medium 257066334/9636986b49aae6b43320b4727e397035c48f859a/movie_600x337.jpg
screenshot_full 257066334/9636986b49aae6b43320b4727e397035c48f859a/movie_full.jpg
all_ages true
timestamp 14 November 2024 – 03:09:54 UTC
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