Here is the full list of all 40 SATAZIUS achievements.
Cleared a stage on Insane Difficulty. You can go deeper!
Cleared Satazius on Normal difficulty or above.
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.
Used 10 continues through different game sessions.
Received the gentle treatment of a deadly massive laser on Stage 4.
Watched a replay.
Cleared Satazius using 1 credit on Easy Mode.
Collected 10 stars in 1 stage.
Died at the hands of the Stage 1 boss's second form.
Practiced a stage.
Cleared a stage on Hard Difficulty and experienced the true SATAZIUS.
Blasted your way into the Heart of Satazius and successfully finished your suicidal mission.
Destroyed 4,000 enemies.
Got crushed by certain walls on the final stage, effectively ruining your entire run.
Raced against death an instilled fear on a never-ending parade of pirates.
Smashed yourself against one of the closing gates on Stage 5.
Pierced through the enemy lines with all your might.
Destroyed 2,000 enemies.
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 charge weapon.
Destroyed 1,000 enemies.
Traversed through a massive onslaught.
Got your first score extend!
Mistakenly picked up a speed down item.
Destroyed 500 enemies using any sub weapons.
Destroyed 500 enemies.
Reached MAX power on a main weapon.
Reached MAX power on a sub-weapon.
Watched the Agano burn and launched a full scale vengeance!
Reached MAX speed.
Destroyed 100 enemies.
Died for the first time.
Inadvertently collided against an asteroid on Stage 2.
Unlocked all the weapons on Normal difficulty or above.
Destroyed 500 enemies using any charge weapons.