Found a basement full of old booze

What kind of alcohol doesnt go bad?
I have no idea what to throw away and what I could keep.
Is it safe to just go by taste?
Edit: from the dates, this hasnt been touched for atleast 10 years
Edit2: Alot of unlabelled bottles have numbers between 80-90 so im guessing alot of it is over 30 years old. Not even sure if its the year it was bottled.