How to Upgrade Characters in Sonic Speed Simulator?

Collect Rings by running, completing quests, and opening rewards

Spend Rings in the upgrade menu to increase character stats

Upgrade Speed to move faster

Upgrade Acceleration to reach top speed quicker

Upgrade Strength to improve combat or obstacle performance

Upgrade Jump to reach higher platforms

Upgrade Stamina to stay active longer

Unlock new characters by meeting level, quest, or event requirements

Equip stronger characters from the character selection menu

Rebirth or prestige when available to gain bonuses and improve future progression

Complete daily missions and events for upgrade materials and rewards

Use codes when available to get free Rings or boosts

Join races and challenges to earn faster progression rewards

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