All the DG scenarios are there as well, converted with outmost love and care for the original DG game by Alan Arvold. They are not play tested per se, but maybe as mirrored game they add to stock scenarios for H2H purposes.
He's done a ton of boardgames conversion as well, with the above caveat applying for them as well.
Once CS Vietnam is out, there will be an effort to bring CS Middle East up to par with latest regarding the enhanced scripted AI capabilities. So there's that too.
Would love to see more community created scenarios for sure. There's a few at CS Middle East Matrix home page, here:
https://www.matrixgames.com/forums/tm.asp?m=4436565