Is it safe to add the mod to an existing save?
At this point is completely safe to play in an existing save, it doesn't alter any base recipes
Discover new places of the universe, starting from Arig, a hot planet with vast deserts where only valuable resources can be found underground or in the sand, and Hyarion, a planet made from crystals and lava, light refraction rays fall from the sky and destroys the surface.
Mods introducing new content into the game.
At this point is completely safe to play in an existing save, it doesn't alter any base recipes