Absolutely. The PSP version of EDF 2 is famous for its staggering amount of content, featuring 78 missions and a massive variety of weapons. While it suffers from some "classic" EDF frame rate lag during heavy action, the sheer scale of the bosses and the introduction of classes like the make it a standout entry in the series.
: The original version was released in Europe as Global Defence Force . If you can handle the lower resolution and lack of certain portable features, this version is fully in English. Tips for Playing the Japanese PSP Version earth defense force 2 psp english patch