A Building Full of Cats
23 Achievements
0-1h
GOG
Wet Floor
A big tail, indeed...
34.6%
How to unlock the Wet Floor achievement in A Building Full of Cats - Definitive Guide
From elevator menu go to settings and on the right side of the screen find the cat peeping out from the bottom of the wet floor sign.
This is for finding the Secret cat in the settings. Select the cog icon, then click the cats tail poking out from the wet floor sign.
Visual Guide:
Visual Guide: