PC versionPSP Fans have made a PC version. Some are still early, so read the project page first.
Fans took The 3rd Birthday apart and rebuilt it so it runs natively on a computer, often with widescreen, higher frame rates and mods. Here is the project we know about:
Native PC port of The 3rd Birthday (PSP) via static recompilation. Bring your own ISO; no game data included.