While the exact "piece" code might be related to a specific backend database entry, file name, or voucher code, the search components correspond to:

When you download a "DI UPD" or "Rival" style mod for Garden Warfare, you are often looking at a suite of technical and gameplay enhancements:

The Community

Mwrival: This doesn't appear to directly relate to a well-known game, plant, or common term. It's possible it's a misspelling or a specific term from a less widely known context.

The Garden Warfare series transformed the traditional tower defense mechanics of the original franchise into a high-energy third-person shooter.

  1. Backup your original PackageCache folder.
  2. Copy the downloaded .upd file into .../PVZGW/Updates/.
  3. Use a mod launcher (often included in MWRival bundles) to prioritize community updates over official ones.