"Boom!!!" A grenade was fired at the beginning, directly killing the ancient natives! Lin Luo and his three rival teammates were kidnapped by the mysterious "Prosperity System" and traveled through time! Bite! Bind the area under the control of the protagonist's group and improve the population, economy, culture, military, technology/mystery, and increase the "prosperity"! Prosperity 0.1%! Unlock reward: basic tool manufacturing blueprints! Prosperity 1%! Unlock reward: Simple iron smelting blast furnace blueprint! ] From then on, Team Linluo became a humanoid bug in another world! Hand-kneading cement, making steel, making muskets... While others are still drinking blood, we have begun to climb the technological tree! Warn! Prosperity reaches 33%! The world is forced to upgrade NG+1! The unexplored area was refreshed into... A modern city? ! ] Damn it! The style of painting changes! [System Reward Adaptation: Modern Internal Combustion Engine Technology Package! ] The enemy changed from bandits to tanks and aircraft? It's okay, give me the liver! The prosperity continues to rise! Warn! Prosperity reaches 66%! The world is forced to upgrade NG+2! Spiritual energy is revived, and the age of immortality is coming? ! ] [System reward adaptation: Basic immortal cultivation technique "Physique Tempering Technique"! ] Lin Luo: "..." Does this broken system require us to spread the alien world from the Stone Age to the beginning of the universe? ! [With a prosperity level of 100%, you can get "Time Travel Gems" and return to reality! Rush! In order to go home, the liver is done!