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Mamon King

Wishlist Follow Ignore Launch Unwatch Watch
App ID 4030290
App Type Game
Developer
Publisher LiTMUS Co., Ltd.
Supported Systems Windows
Technologies Unity Engine
Last Changenumber 38369033
Last Record Update 27 August 2026 – 06:13:10 UTC ()
Release Date 10 December 2025 – 15:00:25 UTC ()
😎 84.23%
612 reviews
0
In-Game
🖥️ Simulation 🃏 Card Game 🃏 Card Battler 🌽 Farming Sim 🎲 Turn-Based Tactics

"Mamon King" is a monster-raising simulation where you aim to become the King. Battles feature simple turn-based command combat, yet each monster possesses unique skills. Combined with the SP required to activate these skills, this creates intense strategic gameplay that anyone can easily enjoy.

Steam price history

Special Promotion, ends 8 October 2026
Current Price -20% $10.39
Lowest Recorded Price -35% $8.44 10 December 2025
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar -20% $10.39 $10.39 $8.44 -35% $8.44
Russian Ruble -20% 392 ₽ $4.70 -54.71% $3.81 -35% 318 ₽
Ukrainian Hryvnia -20% 228₴ $5.07 -51.17% $4.11 -35% 185₴
Indian Rupee -20% ₹ 488 $5.07 -51.12% $4.12 -35% ₹ 396
Indonesian Rupiah -20% Rp 91999 $5.14 -50.45% $4.18 -35% Rp 74749
SASIA - U.S. Dollar -20% $5.19 $5.19 -50.05% $4.21 -35% $4.21
Philippine Peso -20% ₱339.20 $5.42 -47.81% $4.40 -35% ₱275.60
Vietnamese Dong -20% 144000₫ $5.54 -46.66% $4.50 -35% 117000₫
LATAM - U.S. Dollar -20% $5.83 $5.83 -43.89% $4.73 -35% $4.73
MENA - U.S. Dollar -20% $5.83 $5.83 -43.89% $4.73 -35% $4.73
Chilean Peso -20% CLP$ 5840 $5.94 -42.74% $4.83 -35% CLP$ 4745
Taiwan Dollar -20% NT$ 190 $5.96 -42.58% $4.83 -35% NT$ 154
CIS - U.S. Dollar -20% $5.99 $5.99 -42.35% $4.86 -35% $4.86
South African Rand -20% R 101.60 $6.10 -41.26% $4.95 -35% R 82.55
Saudi Riyal -20% 23.00 SR $6.11 -41.19% $4.96 -35% 18.68 SR
Chinese Yuan -20% ¥ 41.60 $6.20 -40.28% $5.04 -35% ¥ 33.80
Kuwaiti Dinar -20% 1.96 KD $6.34 -38.93% $5.14 -35% 1.59 KD
Brazilian Real -20% R$ 33,59 $6.43 -38.08% $5.22 -35% R$ 27,29
Kazakhstani Tenge -20% 2880₸ $6.49 -37.50% $5.27 -35% 2340₸
Thai Baht -20% ฿220.00 $6.55 -36.90% $5.32 -35% ฿178.75
Malaysian Ringgit -20% RM27.20 $6.66 -35.90% $5.41 -35% RM22.10
Qatari Riyal -20% 24.79 QR $6.80 -34.54% $5.52 -35% 20.14 QR
Peruvian Sol -20% S/.23.60 $6.80 -34.51% $5.52 -35% S/.19.17
Mexican Peso -20% Mex$ 126.39 $6.93 -33.29% $5.63 -35% Mex$ 102.69
Japanese Yen -20% ¥ 1184 $7.51 -27.69% $6.10 -35% ¥ 962
Uruguayan Peso -20% $U319 $7.91 -23.82% $6.42 -35% $U259
Colombian Peso -20% COL$ 26400 $7.95 -23.48% $6.45 -35% COL$ 21450
U.A.E. Dirham -20% 29.60 AED $8.05 -22.43% $6.54 -35% 24.05 AED
Singapore Dollar -20% S$10.40 $8.13 -21.70% $6.60 -35% S$8.45
Hong Kong Dollar -20% HK$ 66.40 $8.46 -18.55% $6.87 -35% HK$ 53.95
New Zealand Dollar -20% NZ$ 15.19 $8.53 -17.86% $6.93 -35% NZ$ 12.34
South Korean Won -20% ₩ 11600 $8.61 -17.06% $6.99 -35% ₩ 9420
Canadian Dollar -20% CDN$ 13.59 $9.55 -8.03% $7.76 -35% CDN$ 11.04
Costa Rican Colon -20% ₡4640 $10.14 -2.33% $8.24 -35% ₡3770
Australian Dollar -20% A$ 15.16 $10.52 +1.30% $8.54 -35% A$ 12.31
Euro -20% 10,23€ $11.51 +10.87% $9.35 -35% 8,31€
British Pound -20% £8.79 $11.61 +11.79% $9.43 -35% £7.14
Norwegian Krone -20% 116,00 kr $12.05 +16.03% $9.79 -35% 94,25 kr
Polish Zloty -20% 47,99zł $12.35 +18.91% $10.03 -35% 38,99zł
Israeli New Shekel -20% ₪38.36 $12.53 +20.65% $10.18 -35% ₪31.16
Swiss Franc -20% CHF 11.60 $14.02 +34.96% $11.38 -35% CHF 9.42
Valve suggested prices are shown on package pages.

Price history

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View lowest recorded prices on Steam store pages by using our browser extension.

Additional Information

Developer LiTMUS Co., Ltd.
community_visible_stats Yes
ReleaseState released
Publisher LiTMUS Co., Ltd.
Store Release Date 10 December 2025 – 15:00:28 UTC ()
osarch 64
community_hub_visible Yes
Primary Genre Simulation (28)
Store Genres Indie (23), RPG (3), Simulation (28), Strategy (2)
Steam Release Date 10 December 2025 – 15:00:25 UTC ()
Store Asset Modification Time 21 November 2025 – 07:30:53 UTC () (1763710253)
library_assets
library_capsuleen
library_heroen
library_hero_bluren
library_logoen
library_headeren
logo_position ↴
pinned_positionBottomLeft
width_pct65.76350911105524
height_pct59.524127132506464
osextended empty string
name_localized
japaneseマモンキング
review_score 8
review_percentage 90
Detected Technologies Unity Engine, UnityBurst SDK, UnityIL2CPP SDK
Steam Deck Compatibility
  • Steam Deck:
  • Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • Entering some text requires manually invoking the on-screen keyboard
  • Some in-game text is small and may be difficult to read
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  • Note: Entering some text requires manually invoking the on-screen keyboard
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • steam_machine_compatibility: 2
  • test_timestamp: 13 December 2025 – 00:00:00 UTC
  • tested_build_id: 20279152
  • steam_machine_tests:
    0 ↴
    display3
    token#SteamMachine_TestResult_DefaultControllerConfigNotFullyFunctional
    1 ↴
    display3
    token#SteamMachine_TestResult_ControllerGlyphsDoNotMatchDevice
    2 ↴
    display3
    token#SteamMachine_TestResult_TextInputDoesNotAutomaticallyInvokesKeyboard
    3 ↴
    display4
    token#SteamMachine_TestResult_DefaultConfigurationIsPerformant
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke1
    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-10.0-beta
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
    requires_proton_soundfonts0
controllertagwizard Yes
First seen on SteamDB 12 September 2025 – 05:00:55 UTC (), in changelist #31071634

Supported Languages

2 Languages Interface Full Audio Subtitles Achievements
English Yes Yes Yes
Japanese Yes Yes Yes

Assets

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header_image
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library_hero_blur ↴
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library_logo ↴
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logo_position/pinned_positionBottomLeft
logo_position/width_pct65.76350911105524
logo_position/height_pct59.524127132506464
library_header ↴
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Assets
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community_icon384e2235b72b0f1b59c5d0f7a7810f32e2bb0beb.jpg
page_background_pathapp/4030290
last_modified23 December 2025 – 01:59:09 UTC
timestamp23 December 2025 – 01:59:09 UTC

Trailer 1032643 ↴

trailer_name Launch Trailer
trailer_category 1
microtrailer ↴
video/webm 4030290/1046381436/76b2fce4da3979f2fb777215c5fe197c80cee0e0/1763705228/microtrailer.webm
video/mp4 4030290/1046381436/76b2fce4da3979f2fb777215c5fe197c80cee0e0/1763705228/microtrailer.mp4
adaptive_trailers ↴
dash_av1 4030290/1046381436/76b2fce4da3979f2fb777215c5fe197c80cee0e0/1763705228/dash_av1.mpd
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screenshot_medium 257235659/44e9d10821dfa517d047bf6afc43d8e3775da14c/movie_600x337.jpg
screenshot_full 257235659/44e9d10821dfa517d047bf6afc43d8e3775da14c/movie_full.jpg
all_ages true
is_highlight true
timestamp 21 November 2025 – 07:31:20 UTC
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