lol mines 20 ^^ on the xbox 360 no glitching its a great way we did it il tell u
I Got Round - 20 With 4 People
How Did I Get Round 20 No Glitching/Hacking/Moding?
Well The
1st Player
2st Player
3rd Player(Me)
Had Raygun's
4th Player Had Flamethrower
what we did was camp downstairs by "Quick Revive-Perk"
we camped in this bar it was pwnage the 4th player watched the window and burned them as they ran past and i had raygun-browing-mg42-rocket-fg42 i multi weaponed yeh u can count that as a i glitch i guess >.< anyways the other guys dint multi wep :S they all had ray gun-browing but 4th player had flame thrower-m1 garand

also best perks NEEDE

Jugg-Perk Bought Down Stairs Located Near Dentist Chair
NEEDE

Speed-Cola Bought Up Stairs Located Near Power Room
NEEDE

Quick-Revive Bought Down Stairs Located Near The Camping Pos Basicly Near M1 Garand Bought Down Stairs
We Did Not Go Up Stairs That Can Get Pretty Buggey So Dont Try It Unless Your Crazy XD
And Every Zombie Comes Through KILL AT All COSTS
Also Round 15 Zombie's Health Goes Up About 100-200 A Good Bullet Takes About 15Hp Down Each Shot So Good Luck If You Want To Add Me On XBOX 360(Jump In Ftw

) Then Pm Me?

Cya Then