You first need to play Spooky Town Advanced mode and find the 12 hidden special cats.



Every time you find one, you'll get a special card, unique for that cat.



If you look at the bottom of the card, you'll see it tells you which two special cats you need to find to unlock which bonus level.



Once you find all 12 special cats, you will unlock six bonus levels.



The seventh bonus level, After Party, is huge and unlocks only after you beat these six first.

Important: To see the tiny fur balls clearer, you may enlarge any picture in this guide by left-clicking on it then once more on the semi-enlarged copy that shows up.

Ghost House [1/2] Left side




Ghost House [2/2] Right side

Mad Doctor's Lab [1/2] Left side



Mad Doctor's Lab [2/2] Right side

Vampire Lair [1/3] Top




Vampire Lair [2/3] Middle




Vampire Lair [3/3] Bottom

Pumpkin Theme [1/4] Top-right




Pumpkin Theme [2/4] Bottom-right




Pumpkin Theme [3/4] Top-left




Pumpkin Theme [4/4] Bottom-left

Grave yard [1/5] Far left




Grave yard [2/5] Second from the left




Grave yard [3/5] Middle /or/ Third from the left




Grave yard [4/5] Second from the right




Grave yard [5/5] Right side

Witch's Cabin [1/2] Left side




Witch's Cabin [2/2] Right side

Once you complete all six levels, you unlock After Party.

After Party [1/5] Top-right




After Party [2/5] Bottom-right




After Party [3/5] Top-left (a)




After Party [4/5] Bottom-left




After Party [5/5] Top-left (b)
showing final City People: On the left, the lady next to the girl in the witch hat

This is only my second hidden cats game and I thought maybe this guide might help others! Much love to you!