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This is an interesting Gmod map by Dr.Phill.It is based in a large area with a tower that has the authors name branded on it, starting inside the tower you find: A large indoor building space for building jeeps, cars and other racing things for the track that lies outside. Up one level you come to the barrel launcher which is great for defending the tower from incoming forces (NPC forces perhaps?) and it is particularly powerful. Up another level you come to another large building area with completely breakable glass, maybe you could build a car and charge it through the glass in movie style. Up another level there is another large building area and finally there is the roof which has ample space for building planes or helicopters.Outside you have a large building area for general contraption making or having large scale NPC wars, in the corner there is a medium sized water expanse which is great for building boats or submarines. Next to the water pool there is a garage for storing your vehicles or building them in. The author has included two interesting "gadgets" there is the weapon stripper which will remove all of your weapons and building tools so be sure not to walk through it if you are building stuff. And the other gadget is the "speed mod" which will increase your speed by 5, it's fun to run around when you have this activated.There is also a hidden underground building area that is huge, which is great for your large contraptions but you have to find the entrance, you should find it quite quickly though. There is an admin room the entrance to it is particularly hard to find.This map has had alot of work put into it and is fun to play in, it is fairly well textured and lit and is great for Gmod.