Planet Rock album cover quiz

Is it supposed to calculate your score automatically? It's just sitting on 0 and I'm sure I have at least a few right:

ACDC Dirty Deeds
Aerosmith (don't know album name)
Pink Floyd Dark Side of the Moon
Maiden Fear of the Dark
Led Zeppelin (don't know album name)
ZZ Top Eliminator
KISS Creatures of the Night
Alice Cooper Welcome To My Nightmare
Black Sabbath Paranoid
Guns n Roses Lies
Motorhead (don't know the name)
Blue Oyster Cult Agents Of Fortune
Def Leppard Hysteria
Metallica Master of Puppets
Eagles Hotel California
The Doors (don't know album name)
King Crimson In The Court Of
Hawkwind Hall of the Mountain Grill
Judas Priest (don't know.. painkiller?)
Deep Purple In Rock
Hendrix (don't know album name)
Van Halen 1984
Jethro tull Aqualung
Wishbone Ash Argus
U2 Rattle and Hum
Queensryche Tribe

20 as well, 26 if at least picking the artist counts.
I was sure one of them was a Slayer album cover but apparently not :(
 
Is it supposed to calculate your score automatically? It's just sitting on 0 and I'm sure I have at least a few right:


20 as well, 26 if at least picking the artist counts.
I was sure one of them was a Slayer album cover but apparently not :(


Use Internet Explorer. I was getting the same problem with Firefox.