Quick answer
Known rebirth vocabulary and code-reward context with a visible missing-threshold/formula panel and planner link.
Start here when this is the exact player task you searched for. The sections below turn the question into steps, checks, and next pages.
Rebirths and rebirth rewards are named, but the threshold and formula are not published; track your own current value before choosing a target.
For Stay Hard Run rebirths, use the quick answer first, then check whether the topic affects a code reward, event, item, unit, map, build, value, or upgrade path.