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Ammossum

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App ID 2659600
App Type Game
Developer
Publisher Yahaha Games
Supported Systems Windows
Last Changenumber 31863251
Last Record Update 23 October 2025 – 15:59:31 UTC ()
Release Date Q1 2026
👻 Roguelike ⚔️ Combat 🔄 Replay Value 🌄 Action-Adventure 🎨 Stylized

Build an endlessly upgradable weapon! Evolve projectiles into unstoppable firepower in this action roguelike. Fight through hordes of infected beasts, save your family, and feel the thrill of bloody shootouts filled with bullets, explosions, and acid. Can you survive the madness?

There is only partial information available about this app as SteamDB is missing the access token.

Additional Information

This game is excluded from Steam Family Sharing because: This game has not yet been released

controller_support partial
ReleaseState prerelease
Exclude from family sharing (exfgls) 8 (This game has not yet been released)
Store Release Date Q1 2026
osarch 64
community_hub_visible Yes
Social Media https://discord.gg/fMCFMaZj3t
https://qm.qq.com/q/KQ9ffdWbGa
https://x.com/WestGladeGames
https://www.youtube.com/@westgladegames/
Primary Genre Action (1)
Store Genres Action (1), Casual (4), Indie (23)
Store Asset Modification Time 23 October 2025 – 15:59:10 UTC () (1761235150)
library_assets
library_capsuleen
library_heroen
library_logoen
library_headeren
logo_position ↴
pinned_positionBottomLeft
width_pct64.26628573348148
height_pct115.01932296299346
osextended empty string
name_localized
schinese西部鼠仔（Ammossum）
Has a Playtest Yes
Content Descriptors Frequent Violence or Gore (2), General Mature Content (5)
controllertagwizard Yes
First seen on SteamDB 18 October 2023 – 20:23:28 UTC (), in changelist #20738275
Content Descriptors (Including DLC) Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

8 Languages Interface Full Audio Subtitles
English Yes
French Yes
German Yes
Spanish - Spain Yes
Japanese Yes
Portuguese - Brazil Yes
Russian Yes
Simplified Chinese Yes

Tags

👻 Roguelike ⚔️ Combat 🔄 Replay Value 👤 Singleplayer 🌄 Action-Adventure 🎨 Stylized 👻 Action Roguelike 🏰 Dungeon Crawler 🔋 Physics 💥 Action 👻 Roguelite 🚂 Trains 🤠 Western 🧊 3D 🔫 Gun Customization 😃 Funny 📺 Side Scroller 🧟 Zombies 😓 Difficult 😖 Gore

Categories

Single-player Family Sharing Steam is learning

Hardware Categories

Partial Controller Support

Assets

Load all asset images
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library_assets_full
library_capsule ↴
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image/english104d2000d6c74bcc099992c20cfc598f0106fa20/library_600x900.jpg
library_hero ↴
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image/englishlibrary_hero.jpg
library_logo ↴
image2x/english55aed271a7e4d92b7b406f013afef3bbe167c12f/logo_2x.png
logo_position/pinned_positionBottomLeft
logo_position/width_pct64.26628573348148
logo_position/height_pct115.01932296299346
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library_header ↴
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Assets
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library_capsule104d2000d6c74bcc099992c20cfc598f0106fa20/library_600x900.jpg
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community_icon60ab56133b936d77a1cf7e51b8ea158c4067d191.jpg
page_background_pathapp/2659600
raw_page_backgroundfeb8aec11eeb2ca547868c588105af86f1578cf6/page_bg_raw.jpg
timestamp23 October 2025 – 15:59:25 UTC

Trailer 899660 ↴

trailer_name GameplayTrailer
trailer_category 1
trailer_480p ↴
video/webm 257145418/movie480_vp9.webm
video/mp4 257145418/movie480.mp4
trailer_max ↴
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video/mp4 257145418/movie_max.mp4
microtrailer ↴
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adaptive_trailers ↴
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all_ages true
is_highlight true
timestamp 25 May 2025 – 21:36:41 UTC

Trailer 793302 ↴

trailer_name Announcement Trailer
trailer_category 3
trailer_480p ↴
video/webm 257077927/movie480_vp9.webm
video/mp4 257077927/movie480.mp4
trailer_max ↴
video/webm 257077927/movie_max_vp9.webm
video/mp4 257077927/movie_max.mp4
microtrailer ↴
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video/mp4 2659600/793302/bdbcd45161e31068c25cfc1b2c219688fba4f411/1750940659/microtrailer.mp4
adaptive_trailers ↴
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screenshot_full 257077927/8465dd3174805f4c33cb87b166958367bc366648/movie_full.jpg
all_ages true
is_highlight true
timestamp 14 March 2025 – 17:41:24 UTC

Possible packages containing this app

These packages have been updated together with this app in changelists, but may not actually contain this app.

This is an inference based on shared update history. Some packages may appear due to coincidental simultaneous updates.

SubID Name ChangeID Last Update
953014 Steam Sub 953014 20738275 22 November 2024 – 22:38:19 UTC
953015 Steam Sub 953015 20738275 22 November 2024 – 22:38:19 UTC
953016 Steam Sub 953016 26324606 22 November 2024 – 22:38:19 UTC

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