Tekken Tag Tournament 2 , unlocking the full roster is a bit unique because the characters were originally free "timed" DLC that required a PSN connection to trigger. Since the emulator doesn't natively connect to official PSN servers, you'll need to follow a specific update path and use a community-verified save file. Updating and Unlocking DLC To get everything working, ensure your game is updated to Version 1.03 Install the Base Game and Initial Update
The game is currently rated as on the RPCS3 Wiki . This means it can be finished with good performance and no game-breaking bugs, provided you have a capable CPU. tekken tag tournament 2 rpcs3 dlc updated