Here is the full list of all 40 SATAZIUS achievements.
Practiced a stage.
Received the gentle treatment of a deadly massive laser on Stage 4.
Watched a replay.
Smashed yourself against one of the closing gates on Stage 5.
Used 10 continues through different game sessions.
Blasted your way into the Heart of Satazius and successfully finished your suicidal mission.
Got crushed by certain walls on the final stage, effectively ruining your entire run.
Collected 10 stars in 1 stage.
Raced against death an instilled fear on a never-ending parade of pirates.
Pierced through the enemy lines with all your might.
Destroyed 4,000 enemies.
Survived a brutal assault against all odds.
Used the first of many, many continues.
Got turned into a pile of molten metal by a certain massive stream of magma on Stage 3.
Reached MAX power on a charge weapon.
Traversed through a massive onslaught.
Got your first score extend!
Died at the hands of the Stage 1 boss's second form.
Destroyed 2,000 enemies.
Destroyed 500 enemies using any main weapons.
Destroyed 1,000 enemies.
Mistakenly picked up a speed down item.
Reached MAX power on a sub-weapon.
Destroyed 500 enemies using any sub weapons.
Reached MAX power on a main weapon.
Watched the Agano burn and launched a full scale vengeance!
Destroyed 500 enemies.
Got your first Game Over.
Reached MAX speed.
Died for the first time.
Destroyed 100 enemies.
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.
Destroyed 500 enemies using any charge weapons.