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"After the orbital elevator fell, supply warehouses sending munitions to space were soon abandoned."
Foundry (originally coded "Art Vandalay" by Bungie during production) is a multiplayer map released for Halo 3 as part of the downloadable Heroic map pack. It was made available on December 11, 2007. It was made exclusively for Forge, as almost all features of the map can be changed, deleted, or even replaced by any object that Forge has allowed.
There is no set description for Foundry, as it can be Forged into almost any configuration imaginable. Essentially, Foundry is an abandoned warehouse filled with equipment and empty container boxes. The default configuration of Foundry is a mostly close-quarters, two level map with a few long hallways. The power weapons are distributed into the corners and center of the map. The Rocket Launcher is in the center on the second level, there are Brute Shots in each base, and Sniper Rifles are in the corners opposite the bases.
There are two cranes on this map, as well as two shipping areas: A and B. Most of the boxes have "P425" printed on them, indicating possibly that that section of Foundry is Section P425, or it could be a serial number of some sort. It could also be referring to some destination for the boxes.
Onslaught is Forge-altered variant of Foundry used by MLG. It features a two-leveled base on either sides. The center of the map lends itself to medium-range combat, with a variety of walls and other barriers to funnel players in different directions. A bridge crosses the middle of the map and two walkways connect the bases on either side.
Onslaught is heavily interlocked and in some places, objects have been merged into Foundry's geometry.
- The forklifts and the trucks can be blown up, and with them, an enemy.
- The chain link fences can be shot though offering a great way to shoot the fusion coils.
- Due to the fact that there is a Grav Lift that spawns by default on the original Foundry, it is possible to kill people with Scenery quite easily; such as throwing one underneath a Wire Spool and then fooling someone to step into it.
- Sometimes you can get splatters in this map if your grenade's explosion force kicks a Wire Spool into the air and it hits someone, though it's very difficult.
- You can crouch jump out of the windows in the small room of each base. This is extremely useful if you are holding the Oddball, and your defense gets overwhelmed, and you need a quick way out. The crouch jump needs to be precise, or you can get stuck in the window.
- Forging along the natural "U" shape of the level is helpful when making balanced and symmetrical maps.
- It is possible to push a teleporter into the space above the crane nearest to the base area. Doing this will create a great weapon storage space. You can also shoot through the invisible floor at that area. Alternatively, one can simply glide up to this area, face it, and drop a Respawn Point; a Teleporter can be spawned from inside.
- There is a Ghost by default on Foundry near one of the bases.
- In the trash found on the floor, there is a blue Draft Notice paper and a pack of cigarettes. In a different pile of trash, there is a purple hippo that is hard to see without aid from the Sniper Rifle.
- Using the Turret Glitch in the far North East corner of the map to get behind the fence(the one with the soccor poster) if you travel further down the hallway near the death barrier is a dead rat.
- In some piles of trash there is an Origami Crane, if you look for a piece of paper with a Millennium Falcon looking shadow (small) then look about an inch upward.
- FACTORY CPLX 09 is located on the edge of a lake; opposite the lake there is another factory. If you escape from the "foundry" building and zoom-in on the factory, you should see the words, "FACTORY CPLX 71" on the side.
- The geographical feature behind factory Complex 71 is a crudely drawn Mount Kilimanjaro seen from the wrong side, or it has at least the same profile. Voi is West South-West of Kilimanjaro, while in Foundry the mountain is rotated so that it is viewed from the south. The mountain has no snow, is too small and too close to Voi.
- When viewed from inside the level, however, forced perspective may make its side and distance appear to be correct.
- A Red vs Blue D.I.Y. video was presented using this map.
- Although some assumed this factory was the one presented in the short Arms Race this is not true as the assembly line in Arms Race is Misriah Armory located on Mars, and Foundry is clearly located on Earth. Also, the factory seen in Arms Race appears larger than the foundry facility.
- It is possible to fall to your death on this map. You must be in Forge to do this. Place a double box anywhere flat on the ground, then set it not to spawn at start. Then start a new round. Then go and crouch where you placed the box. When it appears, you will not be able to get out of crouch. Simply move any direction, and you will fall below the map to your death. This can be useful to make "death teleporters" where you place a receiver node under the map and a sender node inside.
- Art Vandelay, Foundry's codename, is George Costanza's made-up alias in the TV sitcom Seinfeld. Bungie most likely named this map Art Vandelay because George Costanza's alter ego is an architect and anything on this map can be re-made.
- Foundry's Forge scenery inventory is impressive - however, it lacks a large amount of items from original maps, such as nearly 50% of High Ground's Scenery (Tire, Telephones, etc.) as well as things like Supply Cases and Comm Nodes (Snowbound).
- Unknown to many, there is a large cargo shaft above one of the "inlets". A similar hard-to-see shaft is also in the Blue base in Rat's Nest.
- The description refers to the New Mombasa Space Elevator, which was destroyed before the Halo 3 storyline begins.
- A poster of the Forge Soccer Ball can be seen pinned up inside one of the chain link fenced off areas with the words "It Glows" underneath it.
- In random piles of trash there are Chinese boxes with Trogdor the Burninator on it.
- This map is similar to the warehouse section of the level Floodgate.
- The Foundry Vacation can be done on this level.
- The scenery outside of foundry seems to be based on the famous Bethlehem steel factory, immortalized in the Joseph Pennel painting Bethlehem Steel
- Using the Forge Turret Glitch, it is possible to get though the fences. On the right side of the map you can find two Frag grenades beyond the fence.
- In the recreation rooms along the walls, there is a sign (one per rec room) that says "Wash Hands", even though there are no sinks in the map.
- The Coliseum may be inspired from Foundry