A small city built in the foundry. Every building has multiple floors that players can get on. There are at least 2 ways in and out of every area. This is a great map for SWAT or a guerrilla warfare type of game.
There are 5 unique buildings on this map, as well as a loading dock behind one. The buildings have alleys between and behind them. They all have roof access.

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The first building is the apartment building.

This 3 story (+roof) building has 4 windows to shoot out from, as well as the roof for sniping. It has various weapons on the inside. You can get access into this building by the front door, jumping from the truck across the street, jumping from the dumpster in the ally, and jumping from the roof of the hotel.

The next building is the warehouse.

This is a 2 story (+roof) warehouse building. Located across from the apartments. It has 2 windows, 2 doors. This is where the guerrilla's rocket launcher spawns. Access to this building is from the two doors on the bottom floor, jumping in through the windows via the truck and the dumpster, and by jumping onto the roof from the apartments or the city hall.

The next building is City Hall.

City hall is a 2 story (+roof) building located across from the hotel, and next to the warehouse. It was build to be secure to keep the mayor safe. There are no open windows on the upper floors. And the only way in is from the front door. There is roof access where two turrets are located to rain down fire on the city. However, while on the roof, there is a high chance of being sniped. This building also has a few weapons on the inside.

The next building is the hotel.

The hotel is a 3 story building located across from the City Hall building. There are 3 doors leading in the bottom. There are 4 windows on the second floor, and there is roof access where the guerrilla sniper spawns. There are a few weapons and grenades inside this building. Also, there is a turret hidden behind a wooden pallet on a second floor window that can have it's wooden covering shot off to be able to unleash a surprise attack on enemies in the street.

The last building is the mall.
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(Although there is no image, you can see it somewhat in the background of the picture of City hall) The mall is located in the back corner of the city, and is the spawn of the swat team, on swat maps (guerrillas start by the apartments). It has a large main room with a few stories and a small security office off to the side (swat spawn). There is a rocket launcher, sniper rifle on the roof, and other various weapons. There are 3 ways in, via the front door of the mall and a hole in the wall, as well as by going around the loading bay.

The loading bay is on the side of the mall, near the hotel.
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The loading dock has a view of the street and provides some cover for snipers. However, to keep the map balanced, the view is not enough to enable picking off people left and right and the loading bay itself does not have much in it to replenish ammo or to have cover from close quarters fighting.

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This map has been set up for all game type variants.
There is 1 mongoose on the map.

Best play is achieved with SWAT or any type of Team Elimination style game. Although, as mention previously, it has been set up for all game types.

I know that some people were asking bungie to make city maps like the ones in halo 2. This isn't as good as a bungie map, but it should satisfy the need for a city map for now.

Have fun, and if you have any suggestions for improving this map, please let me know!

Download Link : http://www.bungie.net/forums/posts.aspx?h3fileid=28216380