No. Grinnel is not distributed on Steam, so there is no Steam Charts or SteamDB player count for it. Its live popularity is tracked here via Twitch viewership instead.

What platforms is Grinnel on?

Grinnel is available on PC (Microsoft Windows).

Grinnel

PuzzleAdventureIndiePC (Microsoft Windows)

Grinnel — frequently asked questions

Is Grinnel on Steam?: No. Grinnel is not distributed on Steam, so there is no Steam Charts or SteamDB player count for it. Its live popularity is tracked here via Twitch viewership instead.
What platforms is Grinnel on?: Grinnel is available on PC (Microsoft Windows).

About Grinnel

If you stop, your light will go out, if you turn around, your path will be erased. GRINNEL is a living maze that tracks your movements and glances. Don't look back because the darkness is waiting for you there.

Summary via IGDB.

Grinnel on Wikipedia

The ruddy bowfin is a ray-finned fish native to North America. Common names include mudfish, mud pike, dogfish, grindle, grinnel, swamp trout, and choupique. It is regarded as a relict, being one of only two surviving species of the Halecomorphi, a group of fish that first appeared during the Early Triassic, around 250 million years ago. The bowfin is often considered a "living fossil" because they have retained some morphological characteristics of their early ancestors. It is one of two species in the genus Amia, along with Amia ocellicauda, the eyespot bowfin. The closest living relatives of bowfins are gars, with the two groups being united in the clade Holostei.

Source: Wikipedia (text under CC BY-SA 4.0).