Breakthrough has a small but dedicated modding community. To extend your experience:
Simply place .pk3 files into your mainta folder (that’s the Breakthrough-specific folder inside your MoH:AA directory).
Before attempting installation, you must understand the state of the software.
The Legal Situation: Electronic Arts (EA) no longer sells Medal of Honor: Allied Assault or its expansions on digital storefronts like Steam, GOG, or the EA App. The game is effectively "Abandonware." While downloading it is technically a copyright infringement, rights holders generally do not enforce takedulings for this specific title anymore.
What You Need:
Since the game is no longer sold on major digital storefronts like Steam or GOG, acquiring the game usually falls into two categories: medal of honor allied assault breakthrough download install
Once you buy or own it legally, installation is straightforward: run the installer, then apply the 1.11 patch (unifies base game + expansions for multiplayer).
Would you like a step-by-step guide for patching the GOG or CD version to work on Windows 11 instead?
To download and install Medal of Honor: Allied Assault – Breakthrough , it is highly recommended to use the War Chest
edition, which includes the base game and both expansions (Spearhead and Breakthrough). This version is optimized for modern Windows systems. 1. Acquisition & Download
The most reliable way to get a digital copy is through the Medal of Honor: Allied Assault War Chest on GOG.com. Breakthrough has a small but dedicated modding community
GOG GALAXY: Purchase the game and click Install within the GOG GALAXY client. It will automatically download and install all three titles.
Offline Installer: Alternatively, download the offline setup files (typically three files: .exe, .bin, and .bin) from your GOG account library.
EA App: The game is also available on the EA App. If you own it here, simply search for it in your library and click Download. 2. Installation Steps
Standard Install: Run the downloaded setup file and follow the on-screen prompts. Legacy CD/DVD Install: Install the base game (Allied Assault) first. Update to the 1.11 patch (essential for expansions). Install Breakthrough from its respective disc or folder.
Apply the v2.40 patch specifically for Breakthrough to ensure stability. 3. Launching Breakthrough Simply place
On modern launchers, it may not be immediately obvious how to start the expansion.
EA App: Click on the base game → Manage → View Properties to find the expansion executables, or navigate to the installation folder and run moh_breakthrough.exe.
GOG: Expansion shortcuts are usually created on the desktop. If not, look in the C:\GOG Games\Medal of Honor - Allied Assault War Chest folder for the Breakthrough executable.
Install Instructions | Medal of Honor: Allied Assault - Forum
Once in-game, check the main menu. If Breakthrough is installed correctly, you’ll see: