Global Doomsday: I Can Sign in Unlimitedly

Chen Chen's opening awakening sign-in system "Ding! Sign in and get the best orange weapon - Zhuge Liannu!" "Ding! The first day of sign-in will reward you with 100-fold increase in experience cards*5!" "Ding! The 100x experience card has been used, and you will get Zhuge Liannu*100!" ... The world has fallen into a zombie crisis, the number of survivors has begun to decrease sharply, the opening of online channels, the establishment of world rankings, the mutations of livestock everywhere... Everything is where humans are pushing into the abyss! While others were still worrying about survival, Chen Chen had already led his army to kill everyone... Attract the attention of the whole world You can summon an aircraft carrier at will The Hundred Nations Alliance was frightened upon hearing the news, and the zombie monsters were flogged by them. Tens of thousands of mechas are born, and one person can stop a space starship!