Apocalyptic Game: Each Building Has a Random Type of Apocalypse

[Apocalypse + superpowers + IQ online + decisive and decisive killing + villains + complete types of monsters + imaginative and not cliche + writing online ] [Old author, quality guaranteed. The doomsday game suddenly arrives, and humans all over the world are forcibly pulled into the game. In this game, each building is randomly assigned a type of apocalypse. Zombie crisis; frozen apocalypse; deadly radiation; strange arrival; evil virus... In this game, everyone inside the building dies, and the apocalypse will no longer be limited to the building, but will begin to spread outwards. Try to survive, kill monsters, explore floors down, and get out of the building completely, and you will be rewarded generously. Looking at the crumbling buildings around him. Wu Xian, who randomly arrived at the 'Weird End of the World', but was favored by the evil god of time, let out a long sigh. "Time transaction, return to the last time node." My name is Wu Xian, and I'm going back. (The protagonist can make the most of his time, not just by turning back.) (Those who have not been exposed to the Ke system can just regard this apocalypse as a weird apocalypse, and it will not affect reading)