= Gem Locations =
Found Normally
1. 2F Nursery (Required)
2. Entrance Hall
3. 1F Kitchen
4. Attic
5. 1F Cafeteria
6. Courtyard
7. 2F West Passage Hidden Room
(Watch where the crawling corpse goes)
8. 2F Doll Room
9. B1F Cultivation Room
10. B1F Open Room
11. B1F Passage
12. B2F Passage
13. Tunnel Hidden Passage (from B2F Jail)
14. Tunnel Big Passage
15. Tunnel Cultivation Room
Special Events
16. See event between mother and daughter subjects in 2F Bedroom
(Get the Pendant in Archives and use it in Bedroom)
17. Fulfill a requirement in B1F Corpse Room
(Lead body to head)
18. Give the eyeless girl in B1F Hall eyes
(Part of the plot, dummy)
19. Fulfill a requirement in B2F Laboratory
(Use the chainsaw to let the subject run loose)
20. Free the man in the B2F Jail
(Go through the optional caves from the upper-left cell for the key)
21. Help the stuffed dog in the left B3F Private Room
(Get a bone from a skeleton and put it in its mouth)
Found Normally
1. 2F Nursery (Required)
2. Entrance Hall
3. 1F Kitchen
4. Attic
5. 1F Cafeteria
6. Courtyard
7. 2F West Passage Hidden Room
(Watch where the crawling corpse goes)
8. 2F Doll Room
9. B1F Cultivation Room
10. B1F Open Room
11. B1F Passage
12. B2F Passage
13. Tunnel Hidden Passage (from B2F Jail)
14. Tunnel Big Passage
15. Tunnel Cultivation Room
Special Events
16. See event between mother and daughter subjects in 2F Bedroom
(Get the Pendant in Archives and use it in Bedroom)
17. Fulfill a requirement in B1F Corpse Room
(Lead body to head)
18. Give the eyeless girl in B1F Hall eyes
(Part of the plot, dummy)
19. Fulfill a requirement in B2F Laboratory
(Use the chainsaw to let the subject run loose)
20. Free the man in the B2F Jail
(Go through the optional caves from the upper-left cell for the key)
21. Help the stuffed dog in the left B3F Private Room
(Get a bone from a skeleton and put it in its mouth)