Link: http://www.kantham.com/lance/makeyourown.html

I added a singleplayer play mode called 'lance'. Seems to be a great option and will be easy for me to setup and get running properly on my map.

Here is a shot of my early test (can even play the game mode in the editor!!). Don't mind the weopon ui element, its from the 'tiledshot' way of doing ss's in GOW.

edit:

I went through and redid a ton of collisions and nearly finished the exterior. Here is an updated shot: