If you are looking for a "good piece" of advice or information regarding the game itself:
: Ensure you have every required part (e.g., Part 1, Part 2, and so on) in the same folder on your computer.
: Once extracted, you will typically find an .iso file or a setup.exe to install the game. About Earth Defense Force: Iron Rain EARTH.DEFENSE.FORCE.IRON.RAIN-CODEX.part2.rar
: Unlike the main EDF series, Iron Rain was developed by Yuke's and features a more "westernized" aesthetic with character customization and a "Prowl Rider" class that lets you ride giant insects.
Because these files are parts of a single larger archive, you cannot "use" Part 2 on its own. To extract and play the game, you need to follow these standard steps for multi-part RAR files: How to use Part 2 If you are looking for a "good piece"
The filename you provided refers to the second part of a multi-part compressed archive for the game , likely from a pirated distribution by the group CODEX.
: The game features 52 missions in its main campaign. Because these files are parts of a single
: It takes roughly 12 to 13 hours to complete the main story.