Here is the full list of all 37 Songbringer achievements.
Interact with every NPC.
Play the game at 11:11 AM or PM
Kill every kind of enemy at least once.
Finish the eighth dungeon.
Finish the sixth dungeon.
Finish the ninth dungeon.
Finish the fifth dungeon.
Meditate or use a cactus to find a secret.
Finish the seventh dungeon.
Speak friend and enter.
Finish the fourth dungeon.
Combine two items at the Droidsmith.
Kill four or more enemies at once.
Finish the third dungeon.
Finish the second dungeon.
Walk a secret path.
Open a secret wall.
Finish the first dungeon.
Have less than 1 courage after vanquishing a boss.
Enter any dungeon.
Buy an item from a store.
Wield the nanosword.
Complete the game with any percentage of items.
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.
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.