Unless your job is to switch contexts
gm 
much less now since npubs... but there are some og accounts nostr:npub1qqqqqqyz0la2jjl752yv8h7wgs3v098mh9nztd4nr6gynaef6uqqt0n47m for example
pubkeys are hex, so you just mine private keys that will generate pubkeys with x leading zeroes... but since npubs appeared, people started mining vanity npubs instead
i use this in alphaama, the only change I make to to hex is remove up to 5 leading zeroes if present (because of pow keys). it works pretty well overall..
It's not a masterpiece but if you like the games you'll find it entertaining. I think it lacks a bit of side-questing and world exploration..
"Be careful of the thought-seeds you plant in the garden of your mind
For seeds grow after their kind"
— Funkadelic in "Good Thoughts, Bad Thoughts"
Not sure but they all should...