I just ran CivCheck on my copy of Caveman2Cosmos with all the FPK files expanded out. It does not seem to be finding some of Hydro's stuff but then maybe it is missing in some way. The results are in the attached file. I am not sure I have run it correctly and found all the problems. Anyway I am posting for the team to have a look at. I am heading off tomorrow and should be back by the New Year.