For players who enjoy competitive challenges, chasing high scores is a significant part of Sonic Advance 2's replayability. Your score is determined by several factors: the number of rings collected, the number of enemies defeated, the speed at which you complete an act, and any time bonuses. To achieve the highest scores, you'll need to master each act, finding optimal routes that allow you to maintain maximum speed while collecting as many rings and defeating as many enemies as possible.

Utilizing character-specific abilities can greatly aid in high score runs. For example, Sonic's speed and Homing Attack allow for quick enemy dispatch and momentum preservation, while Cream's flight can bypass tricky platforming sections, saving valuable time. Practice is essential; learn enemy placements, ring layouts, and the most efficient paths through each stage. collect all three Chao in an act for an additional score bonus. Competing against your own best times and scores, or those of friends, adds a layer of long-term engagement to the game.