Chapters and bosses

The campaign is a list of chapters, each with numbered stages. Later chapters are denser, add arena gimmicks, and place mini bosses and bosses at set stages (a boss closes out each chapter). One chapter is one run: win and you return to the menu with the next chapter open.

This page is a starter. Add skill, upgrade and enemy pages as new files in src/content/wiki/billions-of-punches/.