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Undecember

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App ID 1549250
App Type Game
Store Name UNDECEMBER
Developer
Publisher LINE Games Corporation
Franchise LINE Games Corporation
Supported Systems Windows
Technologies nProtect_GameGuard AntiCheat, Unreal Engine
Last Changenumber 28991150
Last Record Update 14 May 2025 – 23:02:57 UTC ()
Release Date 12 October 2022 – 01:33:33 UTC ()
😐 52.21%
19k reviews
1,599
In-Game

UNDECEMBER is a Hack & Slash Action RPG in which players are able to surpass the conventional limits of skills by endlessly combining variety of Skill and Link Runes. Become a Rune Hunter and experience the joy of farming and growth!

Additional Information

This game is excluded from Steam Family Sharing because: Free Game

Developer Needs Games
controller_support full
ReleaseState released
Publisher LINE Games Corporation
IsFreeApp Yes
eulas
0 ↴
id1549250_eula_0
nameUndecember EULA
urlhttps://store.steampowered.com//eula/1549250_eula_0
version8
Exclude from family sharing (exfgls) 3 (Free Game)
Store Release Date 12 October 2022 – 01:33:33 UTC ()
osarch empty string
community_hub_visible Yes
3rd-Party DRM nProtect GameGuard
Social Media https://discord.com/invite/Q7syAnHfha
https://www.youtube.com/channel/UCO1YHH625KZdI66PjAEHDWQ/
Primary Genre Action (1)
Store Genres Action (1), Adventure (25), RPG (3), Free to Play (37)
Steam Release Date 12 October 2022 – 01:33:33 UTC ()
Store Asset Modification Time 8 May 2025 – 02:49:31 UTC () (1746672571)
library_assets
library_capsuleen,zh-cn
library_heroen
library_hero_bluren
library_logoen,zh-cn
library_headeren,zh-cn
logo_position ↴
pinned_positionBottomLeft
width_pct26.975993998499675
height_pct43.15491503733605
osextended empty string
name_localized
koreana언디셈버
schinese恶月十三
tchinese恶月十三
Is free on the store? Yes
review_score 5
review_percentage 52
Detected Technologies (?) nProtect_GameGuard AntiCheat, Unreal Engine, CEF SDK, NVIDIA_APEX SDK, NVIDIA_DLSS SDK, NVIDIA_Nsight_Aftermath SDK, NVIDIA_PhysX SDK, NvCloth SDK, Ogg SDK, Sentry SDK, Vorbis SDK, XAudio2 SDK
Steam Deck Compatibility
  • Steam Deck:
  • This game's launcher/setup tool may require the touchscreen or virtual keyboard, or have difficult to read text
  • 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
  • All functionality is accessible when using the default controller configuration
  • 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's launcher/setup tool may require a touchscreen or virtual keyboard, or have difficult to read text
  • Note: Entering some text requires manually invoking the on-screen keyboard
  • 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: 20 October 2022 – 00:00:00 UTC
  • tested_build_id: 9722770
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke1
    requires_non_controller_launcher_nav1
    primary_player_is_controller_slot_01
    non_deck_display_glyphs1
    small_text1
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-stable
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
Content Descriptors Some Nudity or Sexual Content (1), Frequent Violence or Gore (2), General Mature Content (5)
controllertagwizard Yes
First seen on SteamDB 9 February 2021 – 02:11:25 UTC (), in changelist #10687198
Content Descriptors (Including DLC) Some Nudity or Sexual Content (1), Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

11 Languages Interface Full Audio Subtitles
English Yes Yes Yes
Japanese Yes Yes
Traditional Chinese Yes Yes
Simplified Chinese Yes Yes
French Yes Yes
German Yes Yes
Portuguese - Brazil Yes Yes
Spanish - Spain Yes Yes
Thai Yes Yes
Russian Yes Yes
Korean Yes Yes Yes

Tags

🎲 RPG 🛡️ Hack and Slash 💥 Action RPG 🕹️ Multiplayer 🆓 Free to Play 💥 Action 📦 Loot 🧝 Dark Fantasy 🗺️ Top-Down 👥 Online Co-Op 🤝 Co-op 👤 Singleplayer 🎭 Fantasy 👤 Third Person 🌲 PvE 🦹 Character Customization 🍿 Cinematic 🥊 PvP 🌱 Realistic 🌆 Isometric

Categories

Single-player Online PvP Online Co-op Cross-Platform Multiplayer In-App Purchases Multi-player PvP Co-op

Hardware Categories

Full Controller Support DualShock Controllers (USB Only) DualShock Controllers DualSense Controllers (USB Only) DualSense Controllers

Assets

Load all asset images
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header_image
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library_assets_full
library_capsule ↴
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library_hero ↴
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image2x/englisha7fab3702992cccc48c4d79893d60acdd48ae738/library_hero_2x.jpg
library_hero_blur ↴
image/englisha7fab3702992cccc48c4d79893d60acdd48ae738/library_hero_blur.jpg
library_logo ↴
logo_position/pinned_positionBottomLeft
logo_position/width_pct26.975993998499675
logo_position/height_pct43.15491503733605
image2x/english20d9293de03b9d0667515875e4d1b4fb4e9dd5dd/logo_2x.png
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library_header ↴
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Assets
main_capsuleb2eb01a88509942bd3ebe89905e6f4597c2b4fdc/capsule_616x353.jpg
small_capsuleca74bde399e358dd9ff82fd73f2c3b550be4af1d/capsule_231x87.jpg
header4e9d8e4edb50a79580ebf8e3bb98c22684ba90e8/header.jpg
page_backgroundpage_bg_generated_v6b.jpg
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hero_capsule_2x6b6f5cf4f4c36cf7780e92236bb34bd4b7fb971b/hero_capsule_2x.jpg
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community_icondd777f7f5bfeb1358b57b041081f85a5d9c78bb7.jpg
page_background_pathapp/1549250
raw_page_backgroundpage_bg_raw.jpg
timestamp8 May 2025 – 02:49:41 UTC
Trailers
256867981 ↴
trailer_nameAct Boss Combat
trailer_category0
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trailer_480p/video/mp4movie480.mp4
trailer_max/video/webmmovie_max_vp9.webm
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screenshot_mediummovie.293x165.jpg
screenshot_fullmovie_full.jpg
trailer_base_id429773
all_agestrue
is_highlighttrue
timestamp1665129414
256864097 ↴
trailer_namePlay_PV
trailer_category0
trailer_480p/video/webmmovie480_vp9.webm
trailer_480p/video/mp4movie480.mp4
trailer_max/video/webmmovie_max_vp9.webm
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microtrailer/video/webmmicrotrailer.webm
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screenshot_mediummovie.293x165.jpg
screenshot_fullmovie_full.jpg
trailer_base_id423333
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is_highlighttrue
timestamp1639392364
256864098 ↴
trailer_nameCinematic_PV
trailer_category0
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trailer_480p/video/mp4movie480.mp4
trailer_max/video/webmmovie_max_vp9.webm
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screenshot_fullmovie_full.jpg
trailer_base_id423334
all_agestrue
is_highlighttrue
timestamp1639392368
256864099 ↴
trailer_nameSnack6_PV
trailer_category0
trailer_480p/video/webmmovie480_vp9.webm
trailer_480p/video/mp4movie480.mp4
trailer_max/video/webmmovie_max_vp9.webm
trailer_max/video/mp4movie_max.mp4
microtrailer/video/webmmicrotrailer.webm
microtrailer/video/mp4microtrailer.mp4
screenshot_mediummovie.293x165.jpg
screenshot_fullmovie_full.jpg
trailer_base_id423336
all_agestrue
is_highlighttrue
timestamp1639392373
256865904 ↴
trailer_nameWorldview_Eng
trailer_category0
trailer_480p/video/webmmovie480_vp9.webm
trailer_480p/video/mp4movie480.mp4
trailer_max/video/webmmovie_max_vp9.webm
trailer_max/video/mp4movie_max.mp4
microtrailer/video/webmmicrotrailer.webm
microtrailer/video/mp4microtrailer.mp4
screenshot_mediummovie.293x165.jpg
screenshot_fullmovie_full.jpg
trailer_base_id426135
all_agestrue
is_highlighttrue
timestamp1639999049

Builds

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