IGD is an anti-colonial, anarchist publication that acknowledges and seeks to rectify the genocide of America's indigenous people.
The land has many different names from the indigenous people who were violently pushed out of their sovereign nations to create what we today call Michigan.
Calling it "so-called Michigan" is one small way to challenge the legitimacy of land claims White settlers continue to hold over ᒥᓯᑲᒥ (mishigami).
Steam Achievements Manager (SAM) would allow you to reset those achievements.