Because Xtreme was Japan-only (and the 2013 version was EU-only), save data was region-locked. This spawned a cottage industry of “region-free save converters.” Want to use a Japanese perfect save on your European disc? You needed a homebrewed Wii and a hex editor. The "Awakening" Trick: Save Data Exploits Beyond pre-made saves, Xtreme had a notorious exploit tied directly to how it read save data from an SD card.
If you play Xtreme solo, a perfect save ruins the magic. Part of the fun is the slow burn—unlocking that one scout player who fits your weird tactic, or finally getting God Catch to drop after 20 attempts. Inazuma Eleven Strikers 2012 Xtreme Save Data
And in that chaotic, beautiful moment? The save data doesn’t matter. Only the goal does. Because Xtreme was Japan-only (and the 2013 version