1、壕沟战
壕沟战(The Trenches)Beta1.0版，一个以第一次世界大战为题材的HL MOD，比较真实。
2、战壕
...The War Hero 战地英雄The Trenches 战壕The Treasure 宝藏 ...
Tales from the Political Trenches政治战壕里的故事
Into the trenches战壕里
open the trenches开始挖壕沟
mount the trenches在堑壕里守卫
In the Trenches唱片名;第七集
Lean from the Trenches精益开发实战
Christmas In The Trenches战壕圣诞
search the trenches轰击战壕
relieve the trenches和战壕里的兵换防