Apparently they're called Punirunes? So you squash it's brains with your finger? WTF I'm not sticking my finger in there, what if there's a spider hiding in the hole!
Wait, I just had a thought. A horror themed digital pet would be such a fun idea. I mean a virtual pet that actually tries to scare you, not a Halloween themed one or whatever. Has it ever been done?
Imagine how much psychological horror you could make with one of these things if you did it right.
Here's a project that's similar:
https://duncan74.itch.io/grasping