Solstice is Untested on macOS
Solstice has not yet been tested on macOS.
About Solstice

Solstice is a dystopian mystery thriller about small personal disasters that turn into great catastrophes.
A magnificent city in the middle of a frozen wasteland, cut off from the world by raging blizzards. Inhabited only by a small group of misfits, who either can’t or don’t want to leave for the dead winter season.
When the local madman goes missing, an ambitious doctor on a contract and a mysterious young woman, who arrived with the last dog sled caravan, start questioning the true nature of the city's splendor...
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macOS Game Tests
Solstice tested on macOS.
Solstice was released natively on macOS, though it may not run on newer versions of macOS.
Solstice hasn't been tested yet on macOS.