Well, I think that wraps up for the 5.0.0 update!
The only achievement that I don't know is "I'm Such A Mess".

Glasses and Rant are the ones I already made a video on, which you can go view here: https://youtu.be/Rtig7epwfWE

Go check out KeatonHishida for making this custom mod! https://www.youtube.com/channel/UCA3oHB9MgVrg8ZDwAYseSKw

Timestamps:
0:00 - Disclaimer/Warning
0:20 - iCarly [Totally Real Not Fake Tutorial] (MFC)
1:19 - Haachama EX (Tech FC)
3:06 - Weather Hackers (MFC)
6:05 - Lively Boppin' (MFC)
7:51 - Dialogue (Killer Scream)
9:14 - Killer Scream (Tech FC)

13:15 - Gitaroo Man Easter Egg (Aloe)

13:35 - Secret Menu (Press "P")
13:43 - telos (Roses)
(The rest of the codes don't really unlock anything including telos, but I'm still showing 'em anyways.)
15:15 - Other codes

(These two codes unlock stuff though.)
16:20 - naenae (Experimental) (Unlock play as opponent)
16:27 - callibattle (Unlock everything)
16:40 - Test (Aloe Only) (MFC)

Mod used:
HoloFunk (Hololive Funkin'): https://gamebanana.com/mods/41250

The game itself:
itch.io (+download): https://ninja-muffin24.itch.io/funkin
Newgrounds: https://www.newgrounds.com/portal/view/770371