Since “Starstenoke” isn’t an official term from the developers (Secret Mode / Max Inferno), it’s probably a fan-coined name (possibly combining “star” + “stenoke” as an inside joke or misspelling of “stench” / “stoke”). Below is a in A Little to the Left , plus how to verify if “Starstenoke” refers to a specific known Easter egg.

"A Little to the Left" is described as an eclectic mix of genres, blending electronic beats with haunting melodies and thought-provoking lyrics. Starstenoke’s unique voice carries the listener through a narrative of self-discovery and transformation.

Since I don’t have direct access to an unreleased "Starstenoke exclusive" level, here’s a for a typical A Little to the Left star-themed puzzle — which you can adapt if this is a custom or community-made level.