So there are two ways you can use this extension:
Code and if you do something unusual or something that is not common, you will get an achievement.
Hunt the achievements and try to get them all. Except Line by Line, you can get all achievements immediately.
To access the commands, press ctrl+shift+p
Show Achievements
Reset Achievements
Download in vs code marketplace
Press F5 on the extension.ts file to start the extension in a new window.