Call of Duty: World at War Cheats

On "Little Resistance", after calling in the air strike, proceed to the right of the beach, there should be a puddle there. Go in.
Get out move to the left and you will see another puddle. Go in that one. Then on the very left side of the beach, close to the shore, there will be a crater. go in and after several seconds, you will hear some Japanese voices and statues will come out holding ray guns. Or you can use the "give all" cheat. Bonus: At the end, when you have to call in an air strike on the tanks, shoot them with the ray gun instead. It will destroy them!

While playing the game, press ~ to display the console window. Type "devmap mak" and press [Enter] to enable cheat mode.

Successfully complete the indicated task to unlock the corresponding perk:

Perk Slot 1

Special Grenade x3: Reach Level 4 (three special grenades, no smoke).
Satchel Charge x2: Reach Level 4 (two remote detonation explosives).
M9A1 Bazooka x2: Reach Level 4 (bazooka with two rockets).
Bomb Squad: Reach Level 16.
Bouncing Betty x2: Reach Level 24.
Bandolier: Reach Level 40.
Primary Grenade x2: Reach Level 44.
M2 Flamethrower: Reach Level 65.

Perk Slot 2

Stopping Power: Reach Level 4 (increased bullet damage).
Fireworks: Reach Level 4 (higher explosive weapon damage).
Flak Jacket: Reach Level 4 (reduce explosive damage).
Gas Mask: Reach Level 4 (protect against Tabun Gas).
Juggernaut: Reach Level 4 (increased health).
Camouflage: Reach Level 12.
Sleight Of Hand: Reach Level 28.
Shades: Reach Level 32.
Double Tap: Reach Level 36.
Overkill: Reach Level 56.

Perk Slot 3

Deep Impact: Reach Level 4 (deeper bullet penetration).
Extreme Conditioning: Reach Level 4 (sprint for longer distances).
Steady Aim: Reach Level 4 (increased hip fire accuracy).
Toss back: Reach Level 6 (reset fuse of picked up grenades).
Second Chance: Reach Level 9 (revive downed allies).
Martyrdom: Reach Level 20.
Fireproof: Reach Level 48.
Dead Silence: Reach Level 52.
Iron Lungs: Reach Level 60.
Reconnaissance: Reach Level 64.

Vehicle Perks

Water Cooler: Reach Level 4 (decreased turret overheat).
Greased Bearings: Reach Level 4 (increased turret rotation speed).
Ordnance Training: Reach Level 12.
Lead Foot: Reach Level 28.
Coaxial Machine Gun: Reach Level 40.

For the first couple rounds (2-3) knife zombies. You should not buy anything in the spawn room. Once you have 2200 points buy the upstairs then buy the sawed off shotgun and go downstairs to camp by the door you did not previously open in the spawn room. Rack up on points until the you are overwhelmed by a horde of zombies. Once you are almost surrounded or have been hit once. open the door for 1000 points and go buy the thompson for 1200 points. Once in there camp by the mystery box. If you get a good gun like the browning or ray gun, trade in your thompson. The shotgun is a MUST HAVE for rounds 5 to 15. If you get the box again and have the option to trade in your shotgun for the browning or ray gun, which ever you don't have just trade it because on nacht der untoten the browning an ray gun will always be a must have since there are no perks, no traps, and no PAP unless you own black ops then buy mule kick and keep the shotgun. When you die you should be at rounds 20 to 30. you will survive longer with this strategy in groups. If you own black ops you should last til round 35 by your self

Enable the console from the options menu. Press ~ (tilde) to bring up the console while playing. Type "devmap [mapname]" to load the level you wish to play. Once the level loads, bring up the console and type your desired cheat codes.