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Mystery of Unicorn Castle: The Beastmaster

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App ID 428280
App Type Game
Developer
Publisher Fulqrum Publishing
Franchise Fulqrum
Supported Systems Windows
Last Changenumber 30067184
Last Record Update 15 July 2025 – 11:22:28 UTC ()
Release Date 18 December 2015 – 08:13:53 UTC ()
❓ 75.24%
93 reviews
0
In-Game

Make your way past the ingenious traps of the Castle and overcome the beasts to restore the Unicorn for a victory over the forces of evil! Can you solve the Mystery of Unicorn Castle - The Beastmaster?

Additional Information

Developer Meridian'93
metacritic_name Mystery of Unicorn Castle: The Beastmaster
ReleaseState released
Publisher Fulqrum Publishing
Store Release Date 18 December 2015 – 08:14:38 UTC ()
community_hub_visible Yes
Primary Genre Adventure (25)
Store Genres Adventure (25), Casual (4)
Steam Release Date 18 December 2015 – 08:13:53 UTC ()
Store Asset Modification Time 15 July 2025 – 11:22:15 UTC () (1752578535)
library_assets
library_capsuleen
review_score 8
review_percentage 83
Steam Deck Compatibility
  • Steam Deck:
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • Entering some text requires manually invoking the on-screen keyboard
  • 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
  • Note: Entering some text requires manually invoking the on-screen keyboard
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 16 August 2022 – 00:00:00 UTC
  • tested_build_id: 923259
  • configuration:
    supported_inputother
    requires_manual_keyboard_invoke1
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs1
    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
store_screenshot ss_cd47c63149a209bc27c90449df8d6ffe4a79ce70.jpg
First seen on SteamDB 14 December 2015 – 11:09:58 UTC (), in changelist #1606962

Supported Languages

9 Languages Interface Full Audio Subtitles
English Yes Yes
French Yes Yes
Italian Yes Yes
German Yes Yes
Spanish - Spain Yes Yes
Dutch Yes Yes
Japanese Yes Yes
Portuguese - Brazil Yes Yes
Russian Yes Yes

Tags

🗺️ Adventure 😌 Casual 🔍 Hidden Object

Categories

Single-player Family Sharing

Assets

Load all asset images
clienticon bdaacba874e42b0eea8627f4bfdf4d6e1cfe9229
clienttga 5953a2fc49bb5aa91c10cff45ebe64af5525970b
icon ad4e4661b69c526559b40a9ef41a9e40c44308e3
logo 903d2dac41016fee204ff3f08b9eddeaf2579958
logo_small 903d2dac41016fee204ff3f08b9eddeaf2579958_thumb
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image2x/englishlibrary_600x900_2x.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
community_iconad4e4661b69c526559b40a9ef41a9e40c44308e3.jpg
page_background_pathapp/428280
timestamp15 July 2025 – 11:22:23 UTC
Trailers
256659144 ↴
trailer_namebeastmaster_trailer
trailer_category0
trailer_480p/video/webm256659144/movie480.webm
trailer_480p/video/mp4256659144/movie480.mp4
trailer_max/video/webm256659144/movie_max.webm
trailer_max/video/mp4256659144/movie_max.mp4
microtrailer/video/webm428280/48782/becfd1c0f176511710077c0e5371566a81bc8aea/1751282875/microtrailer.webm
microtrailer/video/mp4428280/48782/becfd1c0f176511710077c0e5371566a81bc8aea/1751282875/microtrailer.mp4
screenshot_medium256659144/movie.293x165.jpg
screenshot_full256659144/movie_full.jpg
trailer_base_id48782
all_agestrue
is_highlighttrue
timestamp1450426518

Depots

ID Configuration Size DL.
228990 Windows Shared InstallDepot from 228980DirectX Jun 2010 Redist No size
428281 Mystery of Unicorn Castle: The Beastmaster Content 615.78 MiB 549.13 MiB
428282 FrenchMystery of Unicorn Castle: The Beastmaster Depot French 619.17 MiB 552.98 MiB
428283 ItalianMystery of Unicorn Castle: The Beastmaster Depot Italian 620.41 MiB 553.18 MiB
428285 Spanish - SpainMystery of Unicorn Castle: The Beastmaster Depot Spanish 636.80 MiB 554.56 MiB
428286 GermanMystery of Unicorn Castle: The Beastmaster Depot German 2 619.19 MiB 553.00 MiB
428284 Portuguese - BrazilMystery of Unicorn Castle: The Beastmaster Depot Br 619.63 MiB 552.89 MiB
428287 JapaneseMystery of Unicorn Castle: The Beastmaster Depot JP 620.96 MiB 554.07 MiB
428288 DutchMystery of Unicorn Castle: The Beastmaster Depot NL 619.17 MiB 552.55 MiB
428289 RussianMystery of Unicorn Castle: The Beastmaster Depot RU 616.72 MiB 549.59 MiB

Total size on disk is 5.46 GiB and total download size is 4.86 GiB.

Total size on disk is 615.78 MiB and total download size is 549.13 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name Description Build ID Time Updated
public 923259
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