Since the game was released in 2012 for the Nintendo DS, it is no longer available on digital storefronts like the Nintendo eShop. Your best bet for a legal copy is the secondhand market. : You can find listings on eBay or Mercari .
To stay within legal guidelines, you should "dump" the ROM from a physical cartridge you already own. Download Inazuma Eleven 2 - Firestorm (Europe)
: You can scout over 1,500 players , but some require "Super-Link" or specific passwords to unlock. Since the game was released in 2012 for
: DeSmuME is the most widely recommended and stable option. Download Inazuma Eleven 2 - Firestorm (Europe)
If you prefer a digital experience, you can use an emulator to run the game file (ROM).