This is Build 1935. This includes the old monsters and old map and settings, Shadow over Chernobyl came from this. Oblivion was originally more like GTA with zombies, and alot of people prefer what was attempted here

So in HD quality (go youtube for normal version if this runs too slow)

From Rock Paper Shotgun

As you’ll have seen from the above video, S:OL was also a dramatically larger game than S:SOC. While plenty of locations are familiar, there’s a distinct lack of those cocking indestructible barbed wire fences that so hobbled free-form adventuring in S:SOC. To make this huge world navigable, build 1935 includes driveable vehicles:

GTA with zombies? Oh, imagine if we’d have had this, together with S:SOC’s relative robustness and polish (I said ‘relative’, alright?). It’s also astonishing beautiful, at least in terms of its vast, ruined architecture and environments.