But what is the go mod? Is a sandbox mod for cs.16 or hl1, It is based on gmod for hl2, you can add npcs change phisyscs and a lot of features more. Here you can see some images and aso download it: http://www.moddb.com/mods/go-mod/images/zombie-shoop-da-whoop#imagebox
Go mod - cs1.6 or hl1
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Mechanolith
If you're going to make one for CS2D, count me in. I've been playing Go-Mod for 2 years now since it's initial release.