This is the SCP: Overlord (Demos & B-sides) soundtracks individually uploaded to Soundcloud since other individual uploads I couldn't find at the time. You can find the entire (uncut) Demos & B-sides album here: https://www.youtube.com/watch?v=RcAGiS3_sPg 

Credits: Afterinfinity Music (https://soundcloud.com/afterinfinity-music)

SCP Overlord: Another Day In The Office

Notoriety Haunted Forest Loud OST

NIKKE OST - Gacha Theme (After World/ShowCase in game)

KEYGEN CHURCH - Tenebre Rosso Sangue (Calm Loop)

Plays in the dark room, I didn't make the music, all credit goes to Onyx, I just uploaded it here for playlist purposes

SCP Overlord: Another Day In The Office

Gingiraccoon