List of logical, historical and reality mistakes in civ5 GAK:
1) Hospital produces food like restaurant
2) Austria's eagle color -> is white, should be black
3) China badge colors -> should be yellow and blue
4) Helicopter cant cross water and loose movements points over rivers
5) Archers has 10 miles range
6) Riflemans are melee units
7) when you capture enemy city your country become unhappy
8) Destroyer can capture city and is melee unit
9) units can swim without transport ships
10) Cities can defend without garnisons and has 100 miles range.
11) Russia badge color -> green is better background for them
some more?
EDIT:
12)King Adolfus Gustavus was fat
1) Hospital produces food like restaurant
2) Austria's eagle color -> is white, should be black
3) China badge colors -> should be yellow and blue
4) Helicopter cant cross water and loose movements points over rivers

5) Archers has 10 miles range
6) Riflemans are melee units
7) when you capture enemy city your country become unhappy
8) Destroyer can capture city and is melee unit
9) units can swim without transport ships
10) Cities can defend without garnisons and has 100 miles range.
11) Russia badge color -> green is better background for them
some more?
EDIT:
12)King Adolfus Gustavus was fat