It's not Half-Life 3 but it's something.
Windows 11 provides a rich GUI, but it also supports various command line interfaces (CLIs) through a modern Terminal app.
Microsoft has a new "Intelligent Terminal", and it's surprisingly powerful.
How often do you need to run the Command Prompt, PowerShell, or Windows Terminal as administrator on your Windows 11/10? For me what happens is, I often forget to ...