Here is the full list of all 50 Tower and Sword of Succubus achievements.
Watch the ending.
Beat the game on "Normal Mode".
Defeat the Succubus Queen.
Collect every book.
Collect all status up items.
Collect all of the treasure in the tower.
Defeat the fifth succubus.
Defeat 300 enemies.
Defeat Fred, the wandering hero.
Charm and defeat 100 enemies.
Defeat the fourth succubus.
Destroy 200 vases.
Defeat the third succubus.
Defeat 100 enemies.
Defeat the Golden Slime.
Charm and defeat 50 enemies.
Defeat the second succubus.
Defeat the first succubus.
Beat the game on "Normal Mode"
Defeat the final boss.
Join forces with the swordswoman at the tavern.
Beat the Snow Temple.
Have an audience with the Succubus Queen.
Purchase the Succubus Ring.
Remove the curse on the armor blacksmith.
Give golem material to a witch.
Successfully give a massage.
Cut 200 blades of grass.
Beat the Desert Temple.
Charm and defeat an enemy for the first time.
Watch the opening event
Charm and defeat 30 enemies.
Beat the Forest Temple.
Sell milk to a witch.
Watch the opening event.
Unlock all achievements.
Beat the game without taking a single treasure chest.
Beat the game without collecting a single status up item.
Beat the game on "Original Mode".
Achieve a part-time work score of 10000 points.
Search for the sweetheart of the phantom Anna.
Beat the game on "Master Mode".