4/20 unlocks plushies of the main 4, but there are more of them. Already wrote about the other modes.
And yes, its also the last 5% if you already done everything else.
Viewing post in 🔞Five Nights at FuzzBoob's: Definitive Edition comments
you give me your secrets or tips I've tried every single tip I've gotten from you and others either Im fucking stupid or just unlucky Cause I haven't beaten 4/20 at all! and its driving me to my breaking point! I just wanna complete it already the gameovers aren't making me happy just pissing me off more!