Sonic Adventure 2 features an automatic and manual saving system. The game will automatically save your progress after completing each stage, unlocking new stages, or achieving significant milestones. However, it's always a good practice to manually save when prompted or when you feel it's necessary, especially before attempting challenging sections or exiting the game. To manually save, you can often find a 'Save' option within the main menu or the world map. Ensure you have enough space on your memory card (if playing on original hardware) or hard drive. The game tracks your best scores, emblems collected, and character upgrades, so consistent saving ensures all your hard work is preserved. Never turn off your console or PC during a save operation to prevent data corruption.
