I found (By I found I mean  nostr:npub1jr8sgwrpuk66n9evk76jnfd6wxept4k3uv2vwjw42fhvzvl3mdes38wwnw found) this very cool and fun bitcoin mining sim.

https://alpha.minestr.app/


https://m.primal.net/Lhbw.png 
So far going well