What Is Samsara Addons?

If you are familiar with the Doom Wad "Samsara", a crossover between various FPS series, such as Chex quest, Marathon, Quake, ect. Samsara addons picks off where it was unfinished, with classes made by various authors, With games such as Blood, Strife, Corridor 7, Rebel Moon Rising, Eradicator, ect.
Here is the semi-offical guide for what is currently or will be in the addon in the future.