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ARK Steam Workshop Mod

Primal Fear Boss Expansion

854,178subscribers92%vote score657 MBdownload

About this mod

Mod ID = 899987403 This mod is an expansion mod to Primal Fear. Not having Primal Fear installed may or may not causes issues. This mod spawns Vanilla, Alpha, Apex, Chaos, Spirit and Primal Bosses in your world. Check below for list of spawning bosses. Get

Steam Workshop descriptions are short. For the full description, screenshots, and changelogs visit the workshop page.

Steam Workshop Stats

Open on Steam
Subscribers
854,178
Active Steam subscribers
Favorites
41,081
Views
525,488
Vote Score
92%
8,790 up / 690 down
File Size
657 MB
Down-votes
690
Created on Steam
Last updated on Steam

How to install on an ARK: Survival Evolved server

Four steps. Stop the server first, ActiveMods is read on startup.

  1. 1

    Copy the Mod ID

    The Mod ID for this mod is 899987403. Use the Copy ModID or Copy Install Line button in the sidebar.

    When a Steam Workshop mod is installed, SteamCMD fetches the workshop item by this ID on first startup. No manual file copies needed.

  2. 2

    Stop the server, open GameUserSettings.ini

    1. Log in to your server panel and STOP the server.
    2. Navigate to the config directory, usually: ShooterGame/Saved/Config/LinuxServer/ (or WindowsServer on Windows hosts).
    3. Open GameUserSettings.ini and find (or create) the [ServerSettings] header.
  3. 3

    Add or extend the ActiveMods line

    Add a single ActiveMods= entry inside [ServerSettings]. Mod IDs are comma-separated. The order matters: mods later in the list override earlier ones.

    Single mod
    [ServerSettings]
    ActiveMods=899987403
    #Primal Fear Boss Expansion
    Multiple mods (load-order matters)
    [ServerSettings]
    ActiveMods=899987403,111111111,222222222

    The # line is a comment, INI parsers ignore it, but it keeps your file readable when you have many mods.

  4. 4

    Restart the server

    Save the file and start the server. SteamCMD downloads the workshop item on first boot, expect a brief startup delay on the first run. Subsequent restarts are normal speed.

    For map mods, also set ?Map= in your launch parameters, for example ShooterGameServer Ragnarok?listen?....

Server must be stopped Edit GameUserSettings.ini Comma-separated mod list Mods auto-download on boot

Patch history(1 entry)

  1. Latest

    First synced to GameServersHub on 2026-05-22. File size: 688735044 bytes.