
TIPS
General Suggestions - Don't waste your special grenades on smokes, they are POINTLESS. Always use your pistol on dogs don't waste your primary ammo. In any hardecore mode molotiv cocktails are great kill instantly. BEST 1st perks - Bouncing Betty's, Bandolier, Satchel Charges, and the best is Bomb Squad. I say that because bouncing betty's are impossible to notice. Best pistols are the Nambu, .357 magnum revolver, or the Tokarev TT-33.Don't use the shotgun grip, IT BLOWS. When looking at your weapons screw the accuaracy, look at the weapons range.
Now for the best, NAZI ZOMBIES - So the way to win is get the Kar-98 or the M1A1 Carbine and waste some zombies. Now the thing is never stop moving, always keep going from window to window because you'll never know when those zombies are going to spontaneously pop up. When you hit level 5,6, or 7 open the couch to the upstairs, and keep two people upstairs, and two downstairs. After you beat whatever level you wanted to beat or if it is getting too hard open the couch to the help room. Now if you are going to do this make sure everyone has a mic and will listen to you. The MOST IMPORTANT thing is never open the help room's door, because if you do you are SCREWED. When you are in this room keep everybody in it, two people with machineguns and shotguns guarding the stairs, one at the window and the other at the breakable wall and you can go on for a long time.
ZOMBIE GLITCH - A good glitch is the, what I like to call, god mode glitch. Most of you may know this but i'm just throwin' it out there. This works on all platforms, but OFFLINE. Which means this only works by split screening or system linking. Now, get one person to go in a corner, the corner has to be one with the boxes stacked up next to it and has a weapon to buy, that person in the corner looking outwards needs to start jumping up and down. Next the other must go prone and crawl underneath the person jumping and when the person crawling is directly below him stand up and he should be inside of the other. THe thing is you must not move out of the corner or the zombies can hurt you, and also you can't look at the floor(I really don't know why).