Walkthroughs for custom maps.

Here, you can download it from the list: http://www.cnblogs.com/diystar/archive/2010/02/10/1667218.html

Author: chen5262

I also found a walkthrough: https://tieba.baidu.com/p/5023967656

And a video (you need to wait for the ad to finish): https://www.99hui.net/v/XMjk4NDIyNzAwOA==.html

It says that the map is a BT map, meaning it is hardcore. It looks interesting.