Here is the full list of all 40 SATAZIUS achievements.
Destroyed 500 enemies using any charge weapons.
Cleared Satazius using 1 credit on Normal difficulty or above.
Cleared the game with a score of over 800,000 points on Normal difficulty or above without continuing.
Cleared Satazius on Normal difficulty or above.
Cleared a stage on Insane Difficulty. You can go deeper!
Cleared a stage on Hard Difficulty and experienced the true SATAZIUS.
Smashed yourself against one of the closing gates on Stage 5.
Used 10 continues through different game sessions.
Cleared Satazius using 1 credit on Easy Mode.
Got crushed by certain walls on the final stage, effectively ruining your entire run.
Received the gentle treatment of a deadly massive laser on Stage 4.
Died at the hands of the Stage 1 boss's second form.
Practiced a stage.
Destroyed 4,000 enemies.
Watched a replay.
Blasted your way into the Heart of Satazius and successfully finished your suicidal mission.
Reached MAX power on a charge weapon.
Raced against death an instilled fear on a never-ending parade of pirates.
Destroyed 2,000 enemies.
Pierced through the enemy lines with all your might.
Collected 10 stars in 1 stage.
Survived a brutal assault against all odds.
Used the first of many, many continues.
Got your first Game Over.
Got turned into a pile of molten metal by a certain massive stream of magma on Stage 3.
Destroyed 500 enemies using any main weapons.
Reached MAX power on a main weapon.
Destroyed 1,000 enemies.
Traversed through a massive onslaught.
Got your first score extend!
Destroyed 500 enemies using any sub weapons.
Mistakenly picked up a speed down item.
Reached MAX power on a sub-weapon.
Destroyed 500 enemies.
Watched the Agano burn and launched a full scale vengeance!
Died for the first time.
Reached MAX speed.
Destroyed 100 enemies.
Inadvertently collided against an asteroid on Stage 2.
Unlocked all the weapons on Normal difficulty or above.