Use WinRAR or 7-Zip to extract the .rar files (start with part1.rar ).
Copy the contents of the PLAZA folder from the ISO into your game installation directory, overwriting existing files. Play: Run the game from the desktop shortcut or .exe . Grey.Goo.Definitive.Edition-PLAZA.part1.rar
The includes the base game plus all DLCs, including the "Descent of the Shroud" expansion which introduces a fourth faction. Release Info: Release Group: PLAZA Format: ISO / RAR Size: ~12 GB (Total) Version: Definitive Edition (includes all DLC/Updates) Included Content: Grey Goo (Main Game) Descent of the Shroud (Expansion/DLC) Emergence Campaign (DLC) Original Soundtrack Installation Instructions: Use WinRAR or 7-Zip to extract the