If you are looking to play the actual PC version, these are the confirmed minimum specs from System Requirements Lab : Windows XP / Vista / 7 Processor: Intel Core 2 Duo 2.6 GHz or AMD Phenom X3 8750 Memory: 2 GB RAM

There is no legitimate Game Boy or Game Boy Advance version of Prototype 2.

Listings for "highly compressed" versions (often claiming to be as small as 10MB to 100MB) are typically scams or malware . These downloads may contain viruses or surveys rather than a functional game. 2. Prototype 2 PC Requirements