It's Not Me, It's My Basement

It's Not Me, It's My Basement (2021): Role-playing (RPG), Indie. Developed by ArcadeKitten. Available on Linux, PC (Microsoft Windows), and Mac.

A short horror game about a kid who lives alone

"Mom and Dad are away. But you're old enough to take care of yourself now, aren't you? You'll be fine, there's no need to worry. You're more than capable of keeping everything under control...right?"