Here is the full list of all 39 SEQUENCE STORM achievements.
Achieve a Top Speed of 275%
Complete BEAT THE REAPER on Standard Difficulty
Complete BEAT THE REAPER on Challenge Difficulty
Complete BEAT THE REAPER on Ultra Difficulty
Complete ANTIVIRAL on Challenge Difficulty
Complete ANTIVIRAL on Standard Difficulty
Complete DEATH CONTRACT on Standard Difficulty
Complete DEATH CONTRACT on Challenge Difficulty
Complete DEATH CONTRACT on Ultra Difficulty
Achieve a Top Speed of 250%
Complete ANTIVIRAL on Ultra Difficulty
Get a Combo of 500 or More
Complete WELCOME TO DAEMON SPACE on Standard Difficulty
Achieve a Top Speed of 225%
Complete WELCOME TO DAEMON SPACE on Challenge Difficulty
Complete WELCOME TO DAEMON SPACE on Ultra Difficulty
Win a Free Play Race Against Goddess Rivals
Win a Free Play Race Against Queen Rivals
Win a Free Play Race Against Diva Rivals
Win a Free Play Race Against Expert Rivals
Achieve a Top Speed of 200%
Win a Free Play Race Against Maven Rivals
Win a Free Play Race Against Adept Rivals
Win a Free Play Race Against Junior Rivals
Achieve a Top Speed of 175%
Win a Free Play Race Against Novice Rivals
Get 100% Accuracy in Score Mode
Get 99% Accuracy in Score Mode
Get 85% Accuracy in Score Mode
Get 90% Accuracy in Score Mode
Get 95% Accuracy in Score Mode
Get 97% Accuracy in Score Mode
Achieve a Top Speed of 150%
Get a Combo of 100 or More
Get a Combo of 200 or More
Get a Combo of 300 or More
Get a Combo of 400 or More
Participate in a special event
Get a Combo of 1000 or More