Spooky, or seemed spooky to me when I was young.
Lots of bright neon colors over dark background.
Point and click to change screens. You never actually see yourself (the main character, who's a kid)
Collect items to utilize to progress in the game, like a Nancy Drew game.
For instance, I remember having to find some KY Jelly to lubricate a metal grate that was in the back of an arcade or something so I could slide between the bars into the sewer.
I also remember a large purple bat with glowing red eyes hanging in a shed(?)
Or maybe a set of red eyes beneath your bed in your bedroom?
This was for early Windows. Maybe Windows 2? 3? 95? I remember playing it around 1994/1995 on Windows.
It came on a CD-ROM collection of games that also contained Box World and a Pinball game. Either Software Vault: The Games Collection or Software Vault: The Collection for Windows 2.
I used Paint to draw up some really bad sketches of what I remember.