Here is the full list of all 37 Songbringer achievements.
Complete the game with any percentage of items.
Finish the ninth dungeon.
Kill every kind of enemy at least once.
Finish the eighth dungeon.
Combine two items at the Droidsmith.
Finish the seventh dungeon.
Finish the sixth dungeon.
Finish the fifth dungeon.
Finish the fourth dungeon.
Finish the third dungeon.
Kill four or more enemies at once.
Clear an easy dungeon of all enemies.
Finish the second dungeon.
Speak friend and enter.
Walk a secret path.
Open a secret wall.
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.
Meditate or use a cactus to find a secret.
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.