: Right-click on Part 1 using a program like WinRAR or 7-Zip and select "Extract Here." The software will automatically pull data from all the other parts to recreate the full ISO or game folder.

If you are looking for a "piece" in the sense of a summary or a guide on how to handle this specific file, here is what you need to know: File Breakdown

: This is a tactical RPG developed by B.B. Studio and published by Bandai Namco. The "30" celebrates the 30th anniversary of the franchise, featuring a massive crossover of various mecha anime series.