I think you've managed to make the first candidate for a "swords only" map I've ever seen. I can't help but feel that ranged weapons can take all the fun out of this map. With the small arena you've created there swords would be divine. Better yet, an all swords Ultranaut match.
This map looks really cool after seeing the center area. It looks great for four player free for all and great for team slayer. 4.5 out of five because some things could be cleaned up. interlock the weapon holder into the centerpiece wall.
97% of people don't click the pictures below this text. If your one of the 3% who do, then you can have a cookie.
How did you get the walls in the middle (the lowest floor you walk on) to lay flat on the exact same level? That is amazing to me. It must have taken a very long time. The whole map is amazing. 5/5
I think a four team match of CTF would be phenomenal on this map. Solid interlocking, nice ascetics, you get points for using walls as a floor, don't listen to everybody who tells you you need more interlocking, this map has just the right amount.