Crazy Primitive Man, My Civilization Evolves Infinitely

The earth mutates and everyone travels through primitive society. Hua Yan, a special soldier, also became a primitive man. Lack of food, clothing, houses, and fire. Not only are they at risk of being eaten by wild beasts. He is also watched by other tribes, and once defeated, he will become a slave! Fortunately, Hua Yan awakened the civilization evolution system. Congratulations, you got a pair of flint and steel. Congratulations, you have obtained the multifunctional saber dagger Congratulations, you successfully tamed the bison and obtained iron farming tools. … Congratulations, you have met the tribe construction value and can be upgraded to a second-level tribe! Issue rewards for upgrading tribes, iron smelting infrastructure... When the protection period ends, everyone will face the cruel primitive era! However, Hua Yan has already led the tribe to advance in a furious manner. Farm, develop, compete for hegemony, and advance technology! "Not only do I want to unify Blue Star, I also want to go into space and establish an interstellar empire!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.