Here is the full list of all 64 La-Mulana achievements.
Obliterated all guardians in HARD MODE
Obliterated all guardians without using secondary weapons.
Obliterated all guardians without using secondary weapons in HARD MODE.
Unlocked the HELL TEMPLE.
Completed the entire adventure within 10 hours.
Found every NIGORO staff member.
Survived the 3rd infinite corridor under your own power.
Obliterated Zu without using the Lamp of Time.
Opened the backdoor to the Tower of the Goddess.
Started HARD MODE.
Bathed in the hot springs 100 times.
Flattened by a falling giant.
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.
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 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.
The Twin Labyrinth has opened.
Obtained Future Development Company
Obliterated Viy.
Surprised Shunderia.
Proved that you are indeed small.
Took a knee.
Revealed Eden.
I warned you.
Obtained the Wing
Obliterated Bahamut.
Got the cooperation of a fairy.
Obliterated Elmac.
Obliterated Sakito.
Mulbruk awakens.
Dived into a pot.
Obliterated Amphisbaena.
Received damnation.
Opened the entrance to La-Mulana.
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.
Completed the HELL TEMPLE.
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 in HARD MODE.
Completed the HELL TEMPLE without the Fairy's Vest.
Ate curry in a variety of situations.
Smooshed by a Super Punch.