Here is the full list of all 37 Songbringer achievements.
Complete the game with any percentage of items.
Kill every kind of enemy at least once.
Finish the seventh dungeon.
Speak friend and enter.
Finish the ninth dungeon.
Finish the sixth dungeon.
Finish the eighth dungeon.
Finish the fifth dungeon.
Clear an easy dungeon of all enemies.
Finish the fourth dungeon.
Open a secret wall.
Combine two items at the Droidsmith.
Finish the third dungeon.
Kill four or more enemies at once.
Walk a secret path.
Meditate or use a cactus to find a secret.
Finish the second dungeon.
Finish the first dungeon.
Enter any dungeon.
Buy an item from a store.
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 a difficult dungeon of all enemies.
Complete the game without buying any items.
Play the game at 11:11 AM or PM
Complete the Trial of Ren.
Gain the power to meditate during battle.
Perform 50 charge attacks.
Craft the Hyper Boots.
Craft the Flamethrower.