This video took a bit of researching, and there's a very good chance I'm wrong, so please be kind in the comments if I've made any oopsies.
History of Handedness: https://www.youtube.com/watch?v=P1la0GBUNB8&t=1s&ab_channel=FaceFullofEyes
Markiplier's entire Five Nights at Freddy's playlist (lol): https://www.youtube.com/playlist?list=PL3tRBEVW0hiDL09lO0xjKEix84OY27xet
Signalis: https://www.youtube.com/watch?v=SFNRihUyo5o&ab_channel=PlayStation
Songs in the video in order of appearance:
Dark Hallways from Luigi's Mansion
The Beginning by Syusaka Uchiyama
The Drive ~ First Contact by Misao Senbongi & Shusaku Uchiyama
Theme of Laura by Akira Yamaoka
Hard Rain from Left 4 Dead 2
End of Small Sanctuary by Akira Yamaoka
Abyss by Mikko Tarmia
Horizon by Pawel Blaszczak
Main Menu from Five Nights at Freddy's 1
Main Menu from Five Nights at Freddy's 2
Saferoom by Miwako Chinone
Botanic Panic by Kristofer Maddigan
Into the Depths of Self Discovery by Akira Yamaoka
Threatin' Zeppelin by Kristofer Maddigan
0:00 - Intro
2:15 - Disclaimer and Spoiler Warning
2:45 - Our Three Franchises of Focus
5:56 - Resident Evil 4
6:43 - Resident Evil 5
7:38 - Dead Space 2
8:33 - Silent Hill: Downpour
9:16 - Resident Evil 6
11:10 - Dead Space 3 and the End of Visceral Games
12:40 - P.T.
14:58 - The Drought Years
16:37 - Amnesia
17:28 - 5 Freddy's in Pizza Town
19:14 - Resident Evil 7: Biohazard
22:19 - Resident Evil 2 Remake
23:01 - Resident Evil 3 Remake
24:26 - Resident Evil Village
25:08 - The Return of the Other Franchises
26:29 - Conclusion