By far the best make I've seen, uses enclosed mongooses for zombie entrance & powerup-held dumpsters for opening late rooms. Thanks in advance if anyone can help.
Pretty much every **** Zombie map uses those features that you specified. And the gametype that Halo uses for **** Zombies is called Judgment. Check out Master Debayter's maps, he has a good few Judgment maps.
Master Debayters Map "the last day".. really amaxing map. even got best of forge... if you like these styles of maps though, keep your eyes opened, a whole map pack is about to emerge very soon. And me and Master Debayter are working on a thread on how to make one of these maps...so keep your eyes out for this, its gonna be epic. As for the map your looking for, here is the link And here is the link to the previews of the map pack