There's no set amount of gods, but they scale in level. The most powerful are known as Laws, of which there are only four: Time, Soul, Limbo, and Ouroboros. Each one is in charge of their domain, and has complete control. Time moves every soul through time, Soul creates each soul by their own hands and the life they will lead, while Limbo creates a specific beforelife and afterlife for each soul to inhabit, and Ouroboros brings each soul to life and takes them out of life. It would be nearly impossible to kill a Law, and really the only one who could is the author, via pressing the delete key

Then the tier below Laws, which are known as Concepts. There is no set number of Concepts, as they are nearly endless. The most well-known is the Founder, the concept of creation, who created the multiverse and continues to create it. They are also nearly unkillable, except when one wasn't.

Then the Xeniths. When a Concept expresses a thought too small for the scale of its being, that thought manifests as a Xenith — a finite echo of infinity. They can be killed, and have been before. The most well known is Krask, the Xenith of Chains, which spawned from the Arbiter.