Good map, lots to do and fun for everyone. https://steamcommunity.com/sharedfiles/filedetails/?id=153407885
+1 I've played this map long ago and it was really good. It take a memorable area from Half Life 2 and converts it into a level for TTT that ports over very well in gameplay.
But you don't need ttt_minecraft_b5 on the custom server, since theres a vanilla server with it on there.