Red Ring Collector Achievement
Red Ring Collector30
Get all Red Star Rings.
In each Zone, there are ten Red Star Rings to collect, five for classic Sonic and five for modern Sonic. They are usually hidden in each zone, some of them of are easy to get, some of them are hard.
Each Red Star Ring, you collect will give you an artwork or a Song. Once you collect all 5 Red Rings for a Zone, you will earn a skill.