Here is the full list of all 64 La-Mulana achievements.
Unlocked the HELL TEMPLE.
Called a fairy from every fairy point.
Completed the adventure.
Completed the entire adventure within 40 hours.
Completed the entire adventure within 20 hours.
Filled every item slot.
Found every NIGORO staff member.
Obtained all M-SX software.
Obtained Beo La-Mulana.
Unlocked all fairy locks.
Obliterated all guardians.
Obliterated Tiamat.
Obtained all Life Gems.
Learned ancient La-Mulana words.
Challenge the balance of the spirits
Obtained the Ocarina of The Philosophers.
Obliterated Palenque.
Obtained all maps.
Obtained La-Mulana.
Opened the entrance to The Gate of Time.
Obliterated Viy.
Obliterated Baphomet.
Survived the 3rd infinite corridor under your own power.
The Twin Labyrinth has opened.
Flattened by a falling giant.
Surprised Shunderia.
Obtained Future Development Company
Dived into a pot.
Proved that you are indeed small.
Took a knee.
Revealed Eden.
Got the cooperation of a fairy.
Obtained the Wing
Obliterated Zu without using the Lamp of Time.
Obliterated Bahamut.
Obliterated Sakito.
Obliterated Amphisbaena.
Mulbruk awakens.
Obliterated Elmac.
Squashed by a falling sun.
Started HARD MODE.
I warned you.
Received damnation.
Opened the entrance to La-Mulana.
Completed the entire adventure within 10 hours.
Bathed in the hot springs 100 times.
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.
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.