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