Here is the full list of all 40 SATAZIUS achievements.
Destroyed 500 enemies using any charge weapons.
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.
Practiced a stage.
Collected 10 stars in 1 stage.
Died at the hands of the Stage 1 boss's second form.
Raced against death an instilled fear on a never-ending parade of pirates.
Used 10 continues through different game sessions.
Pierced through the enemy lines with all your might.
Received the gentle treatment of a deadly massive laser on Stage 4.
Destroyed 4,000 enemies.
Watched a replay.
Survived a brutal assault against all odds.
Used the first of many, many continues.
Reached MAX power on a charge weapon.
Destroyed 2,000 enemies.
Reached MAX power on a main weapon.
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.
Got your first score extend!
Destroyed 1,000 enemies.
Destroyed 500 enemies using any sub weapons.
Traversed through a massive onslaught.
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.
Destroyed 100 enemies.
Reached MAX speed.
Blasted your way into the Heart of Satazius and successfully finished your suicidal mission.
Inadvertently collided against an asteroid on Stage 2.
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.
Cleared the game with a score of over 800,000 points on Normal difficulty or above without continuing.