To flip individual channels, hit the lil cogs icon next to "Normals" in your last screenshot. Y should be green unless you're mistaken. Please be patient while I practice my gas lighting effects. As for the idea itself of using non-square textures generally, TIL it's no longer a bad idea to do as long as you stick with…
Interesting. Though, if this is all exactly as it seems, I wonder what they'll do to improve their chances of being chosen over UE4, besides a "no royalty" claim. Last time I tried CryENGINE, there wasn't a whole lot of documentation and the engine itself wasn't very flexible for much beyond first-person games like Far…