http://gmod.gamebanana.com/maps/181137 Downloaded and noclipped around the map and it looks super fun. It's a huge map with a traitor room and traps. It also has a secret knife. I would love to see this map added to the rotation.
Highwon already tested this map on the server and it had a fair bit of problems. The spawns were all in one really small area, there were some areas that resulted in both FPS and latency lag. It would have to have extensive work done on it to make it suitable for use on the server.
