特殊任务2（special task 2）

Survivors'plane crashed in the middle of the way. They crashed into a desert. But it wasn't a desert. It was just a desert after the city was deserted. They accidentally entered a mysterious building. They went into a research center in ceda. They caught some uninfected people. People accept their test (surviving in a maze made by ceda, but some zombies evolved and the Institute was abandoned). Survivors have to go into the Institute to collect evidence and return to the maze to find a way out...

预告视频：https://www.bilibili.com/video/av34064338 youtube地址:https://www.youtube.com/watch?v=RSrFCY97qgs&t=7s

幸存者们搭载的飞机在中途失事了，他们坠落在一片沙漠里，但其实这里原本并不是沙漠，只是城市荒废掉后变成沙漠，他们无意中进到一个神秘的建筑里面，原来他们进到了ceda的一个研究中心里面，他们专门抓一些没被感染的人们接受他们的考验（在ceda制作的迷宫里生存下去，但是一些丧尸竟进化了，后来研究所就此荒废掉了）幸存者们要进到研究所里搜集证据，并要回到迷宫里找到出路......

共十一关

建图命令： st2_1 st2_2 ..... st2_11