Hidden Cats in New York

First, to unlock this, you will need to find two special cats in the Advanced difficulty search: Babalu and Ninja Cat.

Babalu spawns in near the center of the map, already colored gray for some reason. The cursor in the screenshot below points directly at it:

Clicking it will unlock:


Ninja Cat is one of the special cats that are not always on-screen and move. It seems to always spawn on the very bottom left by climbing out of a manhole. It will then pause and run to the right.
The screenshot below shows the cat colored in right after spawning:

Clicking it will unlock:


Finding both will unlock the Ninja Cats Bonus HQ level to select in the menu.

The bonus levels work more like the other Hidden Cats games that don't take place in cities lol. So, select that and use the image below to help find all the cats:

First, to unlock this, you will need to find two special cats in the Advanced difficulty search: Babalu and Ninja Cat.

Babalu spawns in near the center of the map, already colored gray for some reason. The cursor in the screenshot below points directly at it:

Clicking it will unlock:


Ninja Cat is one of the special cats that are not always on-screen and move. It seems to always spawn on the very bottom left by climbing out of a manhole. It will then pause and run to the right.
The screenshot below shows the cat colored in right after spawning:

Clicking it will unlock:


Finding both will unlock the Ninja Cats Bonus HQ level to select in the menu.

The bonus levels work more like the other Hidden Cats games that don't take place in cities lol. So, select that and use the image below to help find all the cats:

The Ninja Cats HQ is a bonus level that can be unlocked by finding Babalu and Ninja Cat in the Advanced Map. There are three completely hidden cats on this level which require an extra action in order to reveal them. The video below shows how to find them all

To unlock Babalu refer to this solution:


To unlock Ninja Cat refer to this solution: