: Collected by finding all 10 hidden Chao in every zone to access Special Stages.

When you boot up the cartridge and select your file on the main menu, the most immediate indicator of 100% completion is the visual icon next to your save slot.

There are 10 unique Chao to collect in Sonic Advance 3. A 100% file has all 10 running around the garden.

A fully completed save file typically features the following milestones: All Playable Characters: In addition to Sonic and Tails, a 100% save will have fully unlocked. All 7 Chaos Emeralds:

If you are using an EZ-Flash or EverDrive on a Game Boy Advance: Connect your SD card to your PC. Copy the .sav file into the designated SAVE folder. Ensure the save file has the same filename as the ROM. Key Character Combinations to Try

: Once all Chaos Emeralds are collected and the final zone ( Altar Emerald