Here is the full list of all 64 La-Mulana achievements.
Completed the adventure.
Completed the entire adventure within 40 hours.
Completed the entire adventure within 20 hours.
Filled every item slot.
Bathed in the hot springs 100 times.
Unlocked the HELL TEMPLE.
Flattened by a falling giant.
Obtained all M-SX software.
Unlocked all fairy locks.
Obliterated all guardians.
Obliterated Tiamat.
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.
Obliterated Baphomet.
Obliterated Zu without using the Lamp of Time.
The Twin Labyrinth has opened.
Surprised Shunderia.
Proved that you are indeed small.
Took a knee.
Obtained La-Mulana.
Opened the entrance to The Gate of Time.
Dived into a pot.
Obliterated Viy.
Obtained Future Development Company
Got the cooperation of a fairy.
Revealed Eden.
Obtained the Wing
Squashed by a falling sun.
Mulbruk awakens.
Obliterated Bahamut.
Obliterated Elmac.
Obliterated Sakito.
Started HARD MODE.
I warned you.
Obliterated Amphisbaena.
Received damnation.
Opened the entrance to La-Mulana.
Completed the entire adventure within 10 hours.
Opened all small treasure boxes.
Called a fairy from every fairy point.
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.
Smooshed by a Super Punch.