Genesis/Mega Drive

Diamond Robotnik Mastered

Diamond Dust 3 - Defeat the boss without being harmed and frozen

Achievement in Sonic 3D Blast

10Points

0Nobody has unlocked it yet

— Of this game's players

No dataRarity

Want to unlock “Diamond Robotnik Mastered”?

Play Sonic 3D Blast on Etera, track your progress and climb the rankings.

Get Etera See all achievements