Here is the full list of all 12 Turret Rampage achievements.
Complete your first mission.
Complete the first 4 levels.
Destroy 75 enemies with a defense mechanism that activates upon taking damage.
Materialize 150 ethereal beings with [Silver Shackles].
Turn around 300 times.
Take a place on the leaderboard.
Die before you directly harm any enemies with your weapons.
Lose when the timer shows less than 5 seconds.
Complete a level after shooting the wall at least 30 times.
Lure 3 enemies out of hiding with one [Earthquake].
Complete a level with only 1 health left.
Change the color palette.