Here is the full list of all 64 La-Mulana achievements.
Completed the HELL TEMPLE in HARD MODE.
Completed the HELL TEMPLE.
Obliterated all guardians in HARD MODE
Opened the backdoor to the Tower of the Goddess.
Obliterated all guardians without using secondary weapons.
Got all emails.
Called a fairy from every fairy point.
Survived the 3rd infinite corridor under your own power.
Smooshed by a Super Punch.
Unlocked the HELL TEMPLE.
Completed the entire adventure within 10 hours.
Bathed in the hot springs 100 times.
Surprised Shunderia.
Bought something other than "Rose & Camellia" from the reformed merman.
Squashed by a falling sun.
Completed the adventure.
Completed the entire adventure within 40 hours.
Completed the entire adventure within 20 hours.
Opened all small treasure boxes.
Ate curry in a variety of situations.
Filled every item slot.
Obtained all M-SX software.
Obliterated all guardians.
Obliterated Tiamat.
Obtained all Life Gems.
Obtained Beo La-Mulana.
Obtained all maps.
Obliterated Palenque.
Learned ancient La-Mulana words.
Challenge the balance of the spirits
Obtained the Ocarina of The Philosophers.
Found every NIGORO staff member.
Obliterated Baphomet.
Obliterated Zu without using the Lamp of Time.
Unlocked all fairy locks.
The Twin Labyrinth has opened.
Proved that you are indeed small.
Took a knee.
Revealed Eden.
Obtained La-Mulana.
Opened the entrance to The Gate of Time.
Obliterated Viy.
Obtained Future Development Company
Obliterated Bahamut.
Flattened by a falling giant.
Dived into a pot.
Started HARD MODE.
I warned you.
Obtained the Wing
Obliterated Elmac.
Mulbruk awakens.
Got the cooperation of a fairy.
Obliterated Sakito.
Obliterated Amphisbaena.
Received damnation.
Opened the entrance to La-Mulana.
Listened to everything Mulbruk has to say.
Listened to everything Xelpud has to say.
Scanned all suspicious spots.
Watched the ending with the entire cast present.
Everyone in the ending has that summer feeling.
Everyone's here, but only you feel like it's summer.
Completed the HELL TEMPLE without the Fairy's Vest.
Obliterated all guardians without using secondary weapons in HARD MODE.