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gm_construct_b5

Hi guys! Remember the old tube days in GMod? I remember! And as a token of remembrance, I would like to publish this map for you!

No! This is not the very first version of gm_construct, this is just one of its versions.
This map has four rooms and one large room on the street, with a relief lake with an island and a ledge to it.
The map changed the textures a bit because the old ones were too disgusting :(