Bill Cipher deskthemepack is available for download in four color modes: Dark/Light theme, Dark skin, Light skin and Light/Dark theme. File size - 10.2 MB
Closer Look: Year of Shapiro - Museum of ZZT
Bill Cipher Windows 10 theme [Dark/Light mode]
Support Dark and Light themes in Win32 apps - Windows apps
Bill Cipher Windows 10 theme [Dark/Light mode]
Boondocks Windows 10 theme [Dark/Light mode]
Bill Cipher , dark, neon, circle, colorful, artwork, symbolism
Bill Cypher, Nico's Nextbots Fanmade Wiki
Support Dark and Light themes in Win32 apps - Windows apps
How to Give Windows 10 a Dark Theme