Massive spoilers. I'd been sleeping to Merg's Celeste playlist because it's extremely relaxing & because I was still kinda fixated on Celeste despite having finished it.
Source: https://youtu.be/-BfTK3kAQ9c?t=2310
You can download Trummel & Alto below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2282173822
You can download Chara below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2300438860
You can download Madotsuki's Balcony below.
https://steamcommunity.com/sharedfiles/filedetails/?id=1969416572
You can buy Rivals of Aether below.
https://store.steampowered.com/app/383980/Rivals_of_Aether/
...
https://www.youtube.com/watch?v=6PQpoKE6KU0
You can download Revamped Yuuto Ichika below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2626409326
You can download Princess Shroob (Boss Battle) below.
https://steamcommunity.com/workshop/filedetails/?id=3117282403
You can buy Rivals of Aether below.
https://store.steampowered.com/app/383980
...
https://www.youtube.com/watch?v=pQvOgAakgVw
You can download the campaign below.
https://www.gamemaps.com/details/22468
You can download Chell as a replacement for Zoey or Francis at the links below.
Zoey: https://steamcommunity.com/sharedfiles/filedetails/?id=829609446
Francis: https://steamcommunity.com/sharedfiles/filedetails/?id=877136976
You can buy Left 4 Dead 2 below.
https://store.steampowered.com/app/550/Left_4_Dead_2/
...
https://www.youtube.com/watch?v=ULxxLiwI11Y
You can download Smol Ame below.
https://steamcommunity.com/workshop/filedetails/?id=2504171734
You can download Boss Buddy below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2229889712
You can download Drosera below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2456542384
You can download Sleven below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2735269391
You can download Scoville below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2448990688
You can download Queenly Sweets Corp below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2783296088
You can buy Rivals of Aether below.
https://store.steampowered.com/app/383980/Rivals_of_Aether/
...
https://www.youtube.com/watch?v=w-8DCUOvZbA
You can download Nemesis below.
https://steamcommunity.com/workshop/filedetails/?id=3042615374
You can download Boss Buddy below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2229889712
You can download King Bowser below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2037682193
You can download Bowser's Castle below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2509816206
You can buy Rivals of Aether below.
https://store.steampowered.com/app/383980/Rivals_of_Aether/r/
...
https://www.youtube.com/watch?v=18eyLEQFET4
You can download the campaign below.
https://www.gamemaps.com/details/2526
You can download the version of Jill Valentine I used below as a replacement for Rochelle or Zoey.
Rochelle: https://steamcommunity.com/sharedfiles/filedetails/?id=893645785
Zoey: https://steamcommunity.com/sharedfiles/filedetails/?id=894994382
You can buy Left 4 Dead 2 below.
https://store.steampowered.com/app/550/Left_4_Dead_2/
...
https://www.youtube.com/watch?v=9RXec7WKVgU
You can download Owen below.
https://steamcommunity.com/sharedfiles/filedetails/?id=2144710708
You can download Home-Run Contest below.
https://steamcommunity.com/workshop/filedetails/?id=2786213704
You can buy Rivals of Aether below.
https://store.steampowered.com/app/383980/Rivals_of_Aether/
...
https://www.youtube.com/watch?v=qDVPt7-joLs
This is one of my favorite bosses.
You can download Lucy below.
https://steamcommunity.com/workshop/filedetails/?id=2694422762
You can download Princess Shroob (Boss Battle) below.
https://steamcommunity.com/workshop/filedetails/?id=3117282403
You can buy Rivals of Aether below.
https://store.steampowered.com/app/383980/Rivals_of_Aether/
...
https://www.youtube.com/watch?v=bXdOEt9XDRU