黑暗潜伏者4号升级档+破解补丁

本补丁为黑暗潜伏者的4号升级补丁，已集成破解补丁在内，此次小范围更新主要新增了两张挑战地图。注意先要先安装3号升级档：

安装方法

1、解压缩
2、安装Update文件夹下的升级补丁到游戏目录
3、复制Crack文件夹下的破解补丁到游戏目录
4、运行游戏

by machine4578.

更新内容

We have just released a patch that brings a variety of small gameplay improvements. And because we had such fun watching your challenge map speedruns, we found it to be a good idea to also include two new challenge maps in this update.

So next time you fire up the game, sink your teeth into these new maps:

- Cryogenic Plaza
- Backyard.