Grand Theft Auto San Andreas
Here is the Russian Winter Mod, a very interesting modification that will add snow to Mount Chiliad, along with the island that this mountain is located on including Whetstone, Shady Creeks and Angel Pink.
Here is the Ganstars Paradise, a map modification that will add a huge city over Bone Country. This city includes a food stores, a gym, stunt ramps, lots of explosives and many other things spread all over the city.
Here is a map modification that will add Graffitied to the Streets within GTA San Andreas.
Here is a map modification that will open up the garage in San Fierro and will also add an Oil Pit and a ramp. You can also can use the garage to hide from the police.
Here is a map modification that will add new textures to a garage and also a wooden building new to it.
Here is the Revolution Airport, a detailed and well made replacement for the disused airport in Verdant Meadows.