Additional Information
Developer
XSGames
community_visible_stats
Yes
ReleaseState
released
Publisher
XSGames
Store Release Date
13 August 2023 – 06:59:08 UTC ( )
osarch
64
community_hub_visible
Yes
Social Media
https://facebook.com/frankenoxsgames https://instagram.com/xsgames_ https://x.com/xsgames_ https://youtube.com/frankeno-xsgames
Primary Genre
Indie (23)
Store Genres
Adventure (25) , Indie (23) , Simulation (28) , Strategy (2)
Steam Release Date
13 August 2023 – 06:59:05 UTC ( )
Store Asset Modification Time
3 July 2025 – 05:22:53 UTC ( ) (1751520173)
library_assets
library_capsule en library_hero en library_logo en library_header en logo_position ↴ pinned_position BottomLeft width_pct 100 height_pct 105.31924367004066
osextended
macos64,macosapplesilicon
name_localized
italian Mystery Box: Hidden Secrets german Mystery Box: Hidden Secrets french Mystery Box: Secrets caches japanese Mystery Box: 隠された秘密 russian Mystery Box: Скрытые секреты
review_score
6
review_percentage
72
Detected Technologies (?)
Unity Engine , SteamworksNET SDK , UnityBurst SDK , cURL SDK
Steam Deck Compatibility
Steam Deck: This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons 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 SteamOS: This game runs successfully on SteamOS category: Playable steamos_compatibility: Compatible test_timestamp: 10 November 2023 – 00:00:00 UTC tested_build_id: 11981014 configuration: supported_input other requires_manual_keyboard_invoke 0 requires_non_controller_launcher_nav 0 primary_player_is_controller_slot_0 0 non_deck_display_glyphs 1 small_text 0 requires_internet_for_setup 0 requires_internet_for_singleplayer 0 recommended_runtime proton-stable requires_h264 0 requires_voice_files 0 gamescope_frame_limiter_not_supported 0 hdr_support 0
controllertagwizard
Yes
First seen on SteamDB
23 August 2021 – 04:23:58 UTC ( ) , in changelist #12359336
Supported Languages
6 Languages
Interface
Full Audio
Subtitles
English
Yes
French
Yes
Italian
Yes
German
Yes
Japanese
Yes
Russian
Yes
Tags
Categories
Depots
ID
Configuration
Size
DL.
1735793
macOS
158.92 MiB
50.96 MiB
1735794
Windows
64-bit
142.63 MiB
43.91 MiB
Total size on disk is 301.55 MiB and total download size is 94.87 MiB .
Total size on disk is 142.63 MiB and total download size is 43.91 MiB , when filtered to Windows, English, no DLC depots.
Branches
Name
Description
Build ID
Time Updated
public
18426770
12 May 2025 – 09:13:33 UTC
Other
Name
Value
baselanguages
English, German, French, Italian, Russian, Japanese
hasdepotsindlc
0