Running games from SteamUnlocked on macOS requires a "fix" because the site exclusively provides Windows-based
Whisky is a modern, user-friendly wrapper for Wine that uses Apple's Game Porting Toolkit to run Windows apps on macOS Monterey or later. : Install the app from its official site.
Sometimes, running Steam in compatibility mode can help. Right-click on Steam > Get Info > Check "Run in 32-bit mode" (if your Mac supports it).