Loved By a Vampire King - Chapter 461 - The Night Of Lantern Festival --- Part 1

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

(No Female MC + Ruthless + Infinite Style + MC is not a saint)“Are you tired of mediocrity? Do you crave power?If you want to break free from the ordinary and possess power that surpasses all beings, then join this game.”Ye Shuangluo was chosen by a mysterious game to become a reserve player. As a player, he must face opponents from other parallel dimensions and multiverses. Fortunately, Ye Shuangluo awakened his unique talent: “Achievements Master”. By accomplishing a series of achievements, he can obtain countless powerful skills and attributes.When the cross-server war begins, foreign players traverse the spacetime gate to his star. Ye Shuangluo stands above the sea of stars and strikes with a single slash. The unparalleled blade aura instantly annihilates all invading enemies. Facing the countless terrified enemies on the other side of the spacetime gate, Ye Shuangluo sighs and says leisurely:“I really just wanted to quietly rack up achievements, why did you have to force my hand?”