Here is the full list of all 37 Songbringer achievements.
Complete the game with any percentage of items.
Interact with every NPC.
Speak friend and enter.
Finish the ninth dungeon.
Finish the eighth dungeon.
Open a secret wall.
Combine two items at the Droidsmith.
Finish the seventh dungeon.
Finish the sixth dungeon.
Finish the fifth dungeon.
Walk a secret path.
Finish the fourth dungeon.
Play the game at 11:11 AM or PM
Buy an item from a store.
Finish the third dungeon.
Meditate or use a cactus to find a secret.
Finish the second dungeon.
Perform 50 charge attacks.
Kill four or more enemies at once.
Finish the first dungeon.
Enter any dungeon.
Wield the nanosword.
Complete the game with 100 percent items.
Complete the game with 100 percent map.
Complete the game in permadeath mode.
Complete the game in under 2.5 hours.
Complete the game without the sword.
Kill every kind of enemy at least once.
Have less than 1 courage after vanquishing a boss.
Unlock all achievements.
Clear an easy dungeon of all enemies.
Clear a difficult dungeon of all enemies.
Complete the game without buying any items.
Complete the Trial of Ren.
Gain the power to meditate during battle.
Craft the Hyper Boots.
Craft the Flamethrower.