Here is the full list of all 37 Songbringer achievements.
Finish the ninth dungeon.
Play the game at 11:11 AM or PM
Speak friend and enter.
Complete the game with any percentage of items.
Kill every kind of enemy at least once.
Finish the fifth dungeon.
Combine two items at the Droidsmith.
Finish the eighth dungeon.
Finish the seventh dungeon.
Finish the sixth dungeon.
Finish the fourth dungeon.
Finish the second dungeon.
Buy an item from a store.
Finish the first dungeon.
Kill four or more enemies at once.
Open a secret wall.
Walk a secret path.
Enter any dungeon.
Finish the third dungeon.
Meditate or use a cactus to find a secret.
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.
Interact with every NPC.
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.
Perform 50 charge attacks.
Craft the Hyper Boots.
Craft the Flamethrower.