Start with a fresh installation of the base game.

Which (San Andreas, IV, or V) are you planning to mod?

Modified the map with debris, crashed planes, and overgrown flora.

Because these are and not official Rockstar Games products, downloading them requires caution:

Many zombie mods require a "Map Editor" to place the apocalyptic debris around the city. If you'd like to get started, I can help you find: The exact download links for the most stable 2014-era mods.

Only download from reputable sites like GTAinside , ModDB , or Nexus Mods .

Running or firing unsuppressed weapons attracts "hordes" from blocks away. ⚠️ Important Safety & Compatibility Note