Even the best save data can fail. Here are the common issues with the English patch:
The top save files avoid illegal cards. Since Tag Force Special includes cards up to The Secret of Evolution, a perfect save should have 3 copies of every legal card. Avoid saves that include "Blank" or "Test" cards, as these can crash the English patch. Even the best save data can fail
Here’s a detailed, long-form write-up covering the best save data options for Yu-Gi-Oh! Arc-V Tag Force Special with the English patch (on PSP / PPSSPP), including how to get max cards, unlock all characters, and optimize your experience. The top save files avoid illegal cards