Jason Stettner of Gamerheadquarters writes; "Nacht Der Untoten (German for Night of the Undead) is the most classic of the zombies maps being the start of it all and the most re-used map in the series."
Huzaifa from eXputer: "2008 was home to the likes of Call of Duty: World at War, Dead Space, GTA 4, Far Cry 2, Left 4 Dead, and many other hits, which is outright remarkable."
Just about every year in the 7th generation was great and something we most likely won't experience again.
2009 for example had Assassin's Creed 2, Batman: Arkham Asylum, Dragon Age: Origins, Uncharted 2, Halo 3: ODST, Killzone 2, Borderlands, Bayonetta, and Demon's Souls to name a few.
A very devoted fan of Call of Duty: World at War racks up incredible in-game stats while playing regularly for the past 15 years.
Of course you will hit a ridiculous stat after 15 of anything.
My main character for Everquest had over 500 days played in the first 6 years of the game. I was young then and had a lot of time on my hands. I don’t think I could duplicate that again until I retire and not sure I could match it if I tried.
The video on Black Ops 1 shows some separate rooms, assets, and other features which exist outside of the boundary of the game.