3/4 第三关 Gloomy Echoes
原视频网址：https://youtu.be/i1gIsuc3QFA
原视频说明：
SECRETS:
No Secrets in ths Level
CODES:
Doors Code: 7392
KEY ITEMS:
Lab ID Card - 3:43
Office Key - 6:15
Oceanic mask - 7:53
Jungle Map - 10:37
Lab ID Card - 14:34
Recearch Plug - 16:28
Recearch Plug - 20:53
Inca Mask - 26:56
