Back in the heady days of the ZX Spectrum there was a game called SAS: Operation Thunderflash. Out in 1986, the makers of the game found the essence of what it was like to actually be a soldier in one of the toughest elite regiments on the planet. They then did the exact opposite.
Played in the 3D isometric style that represented king shit at the time, this was a game so tough that few made it past the first screen. The object of the game was to free hostages and kill terrorists. This was virtually impossible.
SAS training teaches its soldiers to avoid ever shooting over any objects, even a knee high coffee table. The terrorists, having had no such training, were free to shoot wherever they pleased. SAS troops were also trained to waddle around spasmodically in the 3D plane and never aim their weapons where you'd think they should.
The whole thing was an utter mess. Plus it looked and sounded like this: