Comic
Every planet you free unlocks a chapter of the Golem Paradox comic.
Chapter 1 · Kepler-9

🔒 Secret chapters
There are 10 more chapters, and they are secret. To read them, free the planets: when you beat every wave of a planet, its chapter unlocks and a book appears next to the planet so you can read it again whenever you like.
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Chapter 2Nexara V?
Chapter 3Vordhal?
Chapter 4Kestrion II?
Chapter 5Ophira?
Chapter 6Draconis IX?
Chapter 7Velkyra?
Chapter 8Thallos III?
Chapter 9Nyxara?
Chapter 10Ferrion II?
Chapter 11Nexus Prime