Ikaruga achievements

0.30%
Good grade
Complete Chapter 1 in any mode with a grade of A or better
0.30%
Fine grade
Complete Chapter 2 in any mode with a grade of A or better
0.30%
Excellent grade
Complete Chapter 3 in any mode with a grade of A or better
0.30%
Unstoppable
Clear the game in any mode without using Continue
0.30%
Star player
Complete the Final Chapter in any mode with a grade of A or better
0.30%
Stellar grade
Complete Chapter 4 in any mode with a grade of A or better
0.58%
Grade S++ (Chapter 2)
Complete Chapter 2 in any mode with a grade of S++.
0.58%
Grade A (Chapter 2)
Complete Chapter 2 in any mode with a grade of A or better.
0.58%
Grade S (Chapter 4)
Complete Chapter 2 in any mode with a grade of S or better.
0.58%
Grade S++ (Chapter 4)
Complete Chapter 4 in any mode with a grade of S++.
0.58%
Grade S (Chapter 1)
Complete Chapter 1 in any mode with a grade of S or better.
0.58%
Grade S++ (Chapter 3)
Complete Chapter 3 in any mode with a grade of S++.