Modders now use save data to experiment with the game’s inner workings. Because J-Stars uses a proprietary engine (developed by Spike Chunsoft), the save data structures are complex. Modders have used existing saves to test texture replacements and character swaps, keeping the game alive long after the servers went quiet.
The original Victory VS and Victory VS+ are separate games with different save file IDs. Saves are not cross-compatible between them, even on PS3. j stars victory vs ps3 save data