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