Doomsday Game: Super Modified Start to Kill with One Hit

[Doomsday + System + Invincibility + Funny + Irregularity + Gamification] Meng Nan accidentally traveled to the doomsday game world and obtained a super modified system, giving him a [one-hit kill] at the beginning! Not only that, you can gain more abilities by killing zombies at will! Afraid of being bitten by zombies? Absolute defense! Can't fit it in the warehouse? Infinite Space! Not enough supplies? Super copy! Are you unhappy looking at NPCs? [Mandatory health bar]! The monster doesn't look good? Added Tifa mod! …… When others are still struggling to farm monsters and live a life of one meal and no next meal, Meng Nan has been leisurely traveling around the world with a group of goddesses~ "This is not the end of the world, this is not the prosperous age!" This book is also called: "As a macho man, having a skill worth 100 million points is very important, right?" "I have a lot of supplies, what's wrong with raising a few goddesses?" "Our society is afraid, there is no problem in taking the health bar first in a fight!" "Cheating?" Just persistence and hard work! "Readers are all handsome men and beautiful women!