Look at the very borders of the screen; the artist loves to tuck tails or ears just out of the central focus.
It’s incredibly lightweight and often costs less than a dollar, making it a "micro-game" perfect for a quick break. Tips for Completionists 100.hidden.mice.rar
Each mouse you find changes from a silhouette to a filled-in character, providing a small dopamine hit of progress. Look at the very borders of the screen;