Here is the full list of all 64 La-Mulana achievements.
Unlocked the HELL TEMPLE.
Completed the adventure.
Completed the entire adventure within 40 hours.
Filled every item slot.
Obliterated all guardians.
Obliterated Baphomet.
Obtained La-Mulana.
Obtained all M-SX software.
Opened the entrance to The Gate of Time.
Unlocked all fairy locks.
Obliterated Tiamat.
Obtained all Life Gems.
Obtained Beo La-Mulana.
Obtained all maps.
Obliterated Palenque.
Challenge the balance of the spirits
Learned ancient La-Mulana words.
Obtained the Ocarina of The Philosophers.
Bathed in the hot springs 100 times.
Obliterated Viy.
The Twin Labyrinth has opened.
Obtained the Wing
Revealed Eden.
Proved that you are indeed small.
Obtained Future Development Company
Obliterated Bahamut.
Took a knee.
Obliterated Zu without using the Lamp of Time.
Survived the 3rd infinite corridor under your own power.
Surprised Shunderia.
Obliterated Elmac.
Got the cooperation of a fairy.
Obliterated Sakito.
Squashed by a falling sun.
Mulbruk awakens.
Obliterated Amphisbaena.
Dived into a pot.
Flattened by a falling giant.
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.
Called a fairy from every fairy point.
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.
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.