Touch to dig that way. Lift your finger and you stop, and cool. That is the only verb — there is nothing else to learn.
Past 60 heat, wear runs up to 3.5x. But some rock only opens when you're hot. It isn't a line to avoid — it's a resource you pay for.
Surface on your own terms and you keep 100% of the haul; die and you keep half. Depth is a finite staircase, wealth is an endless pile.
There's one thing to learn: let go. Depth teaches the rest.



The same "let go" comes to mean five different things.
Two equipment slots. Pairings matter a lot — the best combo runs 1.66x, the worst 0.25x (measured in automated play).
Playable on a keyboard too (Space to dig, arrows to steer, U to surface, Esc to pause).