Restart your Steam client and will automatically download the latest patch which definitely removed Denuvo Anti-Tamper DRM! https://steamdb.info/app/1544020/depots/ https://store.steampowered.com/app/1544020/The_Callisto_Protocol/ https://callisto.sds.com/en-us
Hated it. Quit when I found out I wasn’t allowed to kill the terrorist who crashed my ship and killed my partner.