Overgrown is a wide, open map with plenty of vegetation and cover spots. The map has three distinct sections: a farm located on the northern half of the map containing a large barn and two fields that provide cover and concealment. A curved street lined with buildings on the southern half of the map, and running horizontally through the middle of the map is a river bed with two bridges on the east and western sides of the map crossing over it. This map is particularly favored by snipers because of the map's size, and also CQC in the many small buildings. It also has plenty of vegetation, allowing snipers to blend in with the background. Just north of the river bed in the middle of the map is a two-story farm house, with a mounted M249 SAW in Call of Duty 4: Modern Warfare and Minigun in Call of Duty: Modern Warfare 2, that is accessible from the all the sections of the map.
When playing any team type match on Overgrown, the S.A.S are on this map. The skins for the S.A.S team are actually of the U.S Soldiers, only with the British flag replacing the American one
In one of the inaccessible buildings on the south side of the map, the words "ALEXANDER ROYCEWICZ 2007" are hidden on a wall. To see it, one must turn brightness settings as high as possible and enter the building as a spectator.
In the Wii version of the game, the map has a lot less foliage than it does in the 360/PS3/PC versions due to the Wii's graphical limitations.
On one of the trucks near the B Flag in Domination, the word R3TARD0 can be seen on the license plate.
It is possible to get on the rooftop next to the gas tank. If you jump on to the tank from the hole in the wall, and then on to the wall, you can walk on top of the roof. You can also jump near the wall and quickly press "A" again to mantle onto the wall. From the wall, you can go to two other roofs. From the roof, you can walk along a wooden fence to another roof. This is often taken advantage of by snipers, and in MW2, tactical insertions are common on the roof.
The broken wall on the left side of the barn can be shot through with no penetration penalty to the weapons damage
Three visible changes in the map are the replacement of the mounted M249 SAW with the Minigun, the teddy bears have been updated to the new ones and also the addition to glass in most of the windows.
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