Why doesn't vim adventures let me type numbers for my commands despite their examples show them?

//ads -- adsterra.com -- native banner
?>
I was trying to practice using gg
since it's not clear to me what it does with numbers as pre-fixes.
I saw their examples and then tried typing one myself but I get a complaint from the game.
I am trying to type 5gg
but I get I'm not allowed to type 5. I am I not far into the game to use numbers or why is the game even showing examples we can't use?
Example:
Error message:
Pictures about "Why doesn't vim adventures let me type numbers for my commands despite their examples show them?"



Kelly Clarkson - Stronger (What Doesn't Kill You) [Official Video]
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: Shamia Casiano, Pixabay, Jose Aragones, Magda Ehlers