To play in English, you must use a fan-made translation, as the game was never officially localized for Western markets. There are two main versions of the game: the original for the PlayStation Portable (PSP) and the expanded Decode version for the Nintendo 3DS . Available Versions
Released in 2012, this is the base game. A complete English fan translation by the group "Operation Decoded" was released on June 22, 2015. Download Digimon World – Re-Digitize
Because these are fan translations, you cannot simply buy an English disc or cartridge. Instead, you must patch a Japanese copy of the game. To play in English, you must use a