Here is the full list of all 70 Space Invaders Extreme achievements.
Achieve a "B" rank or better on Extra 2.
Achieve an "S" rank on stage 1-A.
Achieve an "A" rank or better on Extra 1.
Achieve a "B" rank or better on Extra 1.
Achieve an "A" rank or better on stage 5-B.
Achieve a "B" rank or better on stage 5-B.
Achieve an "A" rank or better on stage 3-B.
Achieve a "B" rank or better on stage 3-B.
Activate all features in the game.
Achieve an "A" rank or better on stage 4-A.
Achieve a "B" rank or better on stage 4-A.
Play 10 times.
Achieve an "A" rank or better on stage 5-A.
Achieve a "B" rank or better on stage 5-A.
Achieve a "B" rank or better on stage 3-A.
Achieve an "S" rank on stage 4-B.
Achieve an "A" rank or better on stage 4-B.
Achieve a "B" rank or better on stage 4-B.
Activate all lamps during one game.
Achieve an "A" rank or better on stage 2-A.
Achieve a "B" rank or better on stage 2-A.
Destroy 10 enemies of the same shape and achieve the Same Shape bonus.
Achieve an "A" rank or better on stage 1-A.
Achieve a "B" rank or better on stage 1-A.
Get a Rainbow Bonus.
Destroy a row of enemies and achieve the Row Bonus.
Score enough points and raise your level by 1.
Destroy a complete column of enemies and achieve the Column Bonus.
Destroy enough enemies and raise your Rate by 1.
Destroy 10 enemies of the same colour and achieve the Same Colour bonus.
Achieve an "S" rank on stage 2-A.
Achieve an "S" rank on stage 3-A.
Achieve an "A" rank or better on stage 3-A.
Achieve an "S" rank on stage 4-A.
Achieve an "S" rank on stage 5-A.
Get a Nagoya Attack bonus.
Achieve an "S" rank on stage 3-B.
Achieve an "S" rank on stage 4-C.
Achieve an "A" rank or better on stage 4-C.
Achieve a "B" rank or better on stage 4-C.
Achieve an "S" rank on stage 5-B.
Achieve an "S" rank on stage 5-C.
Achieve an "A" rank or better on stage 5-C.
Achieve a "B" rank or better on stage 5-C.
Achieve an "S" rank on stage 5-D.
Achieve an "A" rank or better on stage 5-D.
Achieve a "B" rank or better on stage 5-D.
Achieve an "S" rank on Extra 1.
Achieve an "S" rank on Extra 2.
Achieve an "A" rank or better on Extra 2.
Achieve an "S" rank on Extra 3.
Achieve an "A" rank or better on Extra 3.
Achieve a "B" rank or better on Extra 3.
Achieve an "S" rank on Extra 4.
Achieve an "A" rank or better on Extra 4.
Achieve a "B" rank or better on Extra 4.
Achieve an "S" rank on Extra 5.
Achieve an "A" rank or better on Extra 5.
Achieve a "B" rank or better on Extra 5.
Destroy enough enemies and raise your Rate to 10.
Score enough points and raise your level to 10.
Finish Arcade Mode with rank "S".
Finish Arcade Mode with rank "A".
Finish Arcade Mode with rank "B".
Finish Arcade Mode without dying.
Finish Arcade Mode having achieved over 30 Fevers.
Finish Arcade Mode without missing a single shot.
Play 1000 times.
Play 10000 times.
Finish Arcade Mode 100 times.