Ensure Part 1 through Part 7 are all downloaded and sitting in the same directory.
Large games like Prototype are often split into smaller parts (like Part 7) to make downloading easier and prevent file corruption. To play the game, you need (Part 1 through Part 7) in the same folder. How to Extract and Install: download-prototype-apun-kagames-part7-rar
If prompted for a password, check the source site (Apun Ka Games) as they typically use their site name as the unlock code. Ensure Part 1 through Part 7 are all