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