Space Invaders Extreme achievements

Achieve an "S" rank on stage 5-B.

Achieve a "B" rank or better on Extra 2.

Achieve an "S" rank on Extra 4.

Finish Arcade Mode having achieved over 30 Fevers.

Achieve an "S" rank on Extra 1.

Play 10000 times.

Achieve an "S" rank on stage 3-A.

Finish Arcade Mode without dying.

Finish Arcade Mode 100 times.

Achieve an "A" rank or better on Extra 1.

Achieve an "A" rank or better on stage 5-C.

Achieve an "S" rank on Extra 3.