Here is the full list of all 100 LOCIS achievements.
Start a game for the first time.
Win the game in Explorer difficulty.
Win the game in Explorer difficulty 5 times.
Win the game in Explorer difficulty 15 times.
Win the game in Explorer difficulty 30 times.
Win the game in Explorer difficulty 50 times.
Win the game in Explorer difficulty 100 times.
Win the game in Explorer difficulty in less than 30 minutes.
Win the game in Explorer difficulty in less than 25 minutes.
Win the game in Explorer difficulty in less than 20 minutes.
Win the game in Explorer difficulty in less than 15 minutes.
Win the game in Explorer difficulty in less than 12 minutes and 30 seconds.
Win the game in Nightmare difficulty.
Win the game in Nightmare difficulty 4 times.
Win the game in Nightmare difficulty 8 times.
Win the game in Nightmare difficulty 15 times.
Win the game in Nightmare difficulty 25 times.
Win the game in Nightmare difficulty 50 times.
Win the game in Nightmare difficulty in less than 1 hour.
Win the game in Nightmare difficulty in less than 50 minutes.
Win the game in Nightmare difficulty in less than 40 minutes.
Win the game in Nightmare difficulty in less than 35 minutes.
Win the game in Nightmare difficulty in less than 30 minutes.
Win the game in Hardcore difficulty.
Win the game in Hardcore difficulty 3 times.
Win the game in Hardcore difficulty 6 times.
Win the game in Hardcore difficulty 10 times.
Win the game in Hardcore difficulty 15 times.
Win the game in Hardcore difficulty 25 times.
Use the Silver Key to open a locked door.
Use the Silver Key to open a locked door 20 times.
Use the Silver Key to open a locked door 50 times.
Use the Silver Key to open a locked door 100 times.
Use the Silver Key to open a locked door 200 times.
Use the Silver Key to open a locked door 500 times.
Use the Golden Key to open a locked door.
Use the Golden Key to open a locked door 10 times.
Use the Golden Key to open a locked door 25 times.
Use the Golden Key to open a locked door 50 times.
Use the Golden Key to open a locked door 100 times.
Use the Golden Key to open a locked door 200 times.
Win the game while visiting 1 or more Special Areas.
Win the game while visiting 5 or more Special Areas.
Win the game while visiting 9 or more Special Areas.
Win the game while visiting 13 or more Special Areas.
Win the game while visiting 18 or more Special Areas.
Win the game while visiting 24 or more Special Areas.
Help the Wayfarer 1 time.
Help the Wayfarer 25 times.
Help the Wayfarer 75 times.
Help the wayfarer 200 times.
Help the wayfarer 500 times.
Help the wayfarer 1000 times.
Let the Wayfarer die 1 time.
Let the Wayfarer die 25 times.
Let the Wayfarer die 75 times.
Let the Wayfarer die 200 times.
Let the Wayfarer die 500 times.
Let the Wayfarer die 1000 times.
Use the Scroll of the Divine Force.
Use the Scroll of the Divine Force 3 times.
Use the Scroll of the Divine Force 7 times.
Use the Scroll of the Divine Force 12 times.
Use the Scroll of the Divine Force 18 times.
Use the Scroll of the Divine Force 25 times.
Use the Scroll of the Divine Sprint.
Use the Scroll of the Divine Sprint 3 times.
Use the Scroll of the Divine Sprint 7 times.
Use the Scroll of the Divine Sprint 12 times.
Use the Scroll of the Divine Sprint 18 times.
Use the Scroll of the Divine Sprint 25 times.
Use the Scroll of the Divine Shield.
Use the Scroll of the Divine Shield 3 times.
Use the Scroll of the Divine Shield 7 times.
Use the Scroll of the Divine Shield 12 times.
Use the Scroll of the Divine Shield 18 times.
Use the Scroll of the Divine Shield 25 times.
Win the game while visiting 8 or more Areas.
Win the game by getting the good ending.
Win the game by getting the bad ending.
Win the game by getting the dream ending.
Win the game by getting the rebirth ending.
Give the ticket to the ticket taker in the Theater Area.
Get to the last floor of Endless Stairs (Special Area).
Help the homeless man in the Abandoned Area.
Help the trapped man in the Cave Area.
Help the trapped man in the Spider's Nest (Special Area).
Help the explorer in the Bridge (Special Area).
Activate the projector in the Cinema (Special Area).
Watch the mannequin show in the Theater Room (Special Area).
Use the VHS Tape in the Art Classroom (Special Area).
Visit the Ubel's Throne (Special Area).
Visit the Memories Room (Special Area).
Visit the Rooftop (Special Area).
Use the Rusty Key in the fridge.
Visit the ??? Area.
Get the Bad Time event.
Get the Ubel Eyes event.
Win the game while encountering 8 or more monsters.
Let the undertaker bury you alive in the Graveyard (Special Area).