Call of Duty: World at War

After the boat crashes, call in an air strike on the specified location. Run up to the beach and move to the right. You will find a small puddle at the right side of the beach. Stand in it briefly, then move towards the middle of the beach to find a smaller puddle. Stand in that puddle briefly. Move towards the far left side of the beach. Stand briefly in the puddle in the barb wire. After several seconds the screen will shake and you will hear strange voices. Four lion statues will rise out of the ground with alien ray guns in their mouths.

Kill the indicated number of enemies in a row to get the corresponding bonus.

3 enemies: Recon plane displays enemies on your team's radar.
5 enemies: Artillery strike that can placed anywhere on the map.
7 enemies: Send out an angry pack of dogs against the enemy.

Start any sort of Nazi Zombie game and unlock the door to the Mystery Box room. Go to the Mystery Box. Go over to the right and look at a table to find a radio. Shoot a bullet at the radio then wait a few seconds. You will hear random sorts of music such as rock, disco, opera, and some in game music such as the Russian victory song, the last level music, or the Japanese combat music. The music will stop in between rounds but will then start again. Every player in game can even hear it.

Complete the following challenges online to unlock the following:

Reach the following ranks on Multiplayer to unlock the desired Multiplayer unlockable.

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 (seek out enemy explosives).
Bouncing Betty x2: Reach level 24 (two pressure activated mines).
Bandolier: Reach level 40 (extra ammunition magazines).
Primary Grenade x2: Reach level 44 (two primary grenades).
M2 Flamethrower: Reach level 65 (projects a controlled stream of fire).

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 (undetectable to enemy recon planes).
Sleight Of Hand: Reach level 28 (faster reload).
Shades: Reach level 32 (reduce intensity of signal flares).
Double Tap: Reach level 36 (increased rate of fire).
Overkill: Reach level 56 (carry two primary guns, no pistol).

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 (drop a live grenade when killed).
Fireproof: Reach level 48 (reduce fire based weapon damage).
Dead Silence: Reach level 52 (less sound when you move).
Iron Lungs: Reach level 60 (longer breath hold while sniping).
Reconnaissance: Reach level 64 (show enemy dogs, artillery, and tanks).

Vehicle Perks
Water Cooler: Reach level 4 (decreased turret overheat).
Greased Bearings: Reach level 4 (increased turret rotation speed).
Ordnance Training: Reach level 12 (decrease reload time of turrets).
Lead Foot: Reach level 28 (increases tank top speed).
Coaxial Machine Gun: Reach level 40 (driver controlled machine gun).

To get the ray gun you must play the mission "Little Resistance". When you get to the main laid on the mission, you will find 4 holes. The holes will be in a row and step in each of them from right to left. When you get to the last hole, 4 statues will come out of the ground. Each of the statues holds a ray gun for you to take.

There will be a section where you will be asked to "Save Private Ryan". This is a reference to the critically acclaimed film Saving Private Ryan.

Reach Level 32 to unlock Veteran mode, which is a Co-op mode with much tougher enemies.

Complete the indicated task to unlock the corresponding weapon bonuses.

Bolt Action Rifles
Springfield: Reach level 4.
Sniper Scope: Already available (increases accuracy and range).
Bayonet: Complete Marksman Challenge 1 (increases melee attack range).
Rifle Grenade: Complete Marksman Challenge 2 (grenade launcher attachment, replaces Perk 1 slot).
Arisaka: Reach level 4.
Sniper Scope: Complete Marksman Challenge 1 (increases accuracy and range).
Bayonet: Complete Marksman Challenge 2 (increases melee attack range).
Rifle Grenade: Complete Marksman Challenge 3 (grenade launcher attachment, replaces Perk 1 slot).
Mosin-Nagant: Reach level 21.
Sniper Scope: Complete Marksman Challenge 1 (increases accuracy and range).
Bayonet: Complete Marksman Challenge 2 (increases melee attack range).
Rifle Grenade: Complete Marksman Challenge 3 (grenade launcher attachment, replaces Perk 1 slot).
Kar98k: Reach level 41.
Sniper Scope: Complete Marksman Challenge 1 (increases accuracy and range).
Bayonet: Complete Marksman Challenge 2 (increases melee attack range).
Rifle Grenade: Complete Marksman Challenge 3 (grenade launcher attachment, replaces Perk 1 slot).
PTRS-41: Reach level 57.

Rifles
SVT-40: Reach level 4.
Flash Hider: Complete Marksman Challenge 1 (invisible on radar when firing, reduced muzzle flash, but shorter range).
Aperture Sight: Complete Marksman Challenge 2 (precision sight).
Telescopic Sight: Complete Marksman Challenge 3 (enhanced telescopic sight).
Gewehr 43: Reach level 7.
Suppressor: Complete Marksman Challenge 1 (invisible on radar when firing, reduced muzzle flash, but shorter range).
Aperture Sight: Complete Marksman Challenge 2 (precision sight).
Telescopic Sight: Complete Marksman Challenge 3 (enhanced telescopic sight).
Rifle Grenade: Complete Marksman Challenge 4 (grenade launcher attachment, replaces Perk 1 slot).
M1 Garand: Reach level 17.
Flash Hider: Complete Marksman Challenge 1 (invisible on radar when firing, reduced muzzle flash, but shorter range).
Bayonet: Complete Marksman Challenge 2 (increases melee attack range).
Sniper Scope: Complete Marksman Challenge 3 (increases accuracy and range).
Rifle Grenade: Complete Marksman Challenge 4 (grenade launcher attachment, replaces Perk 1 slot).
STG-44: Reach level 37.
Flash Hider: Complete Marksman Challenge 1 (invisible on radar when firing, reduced muzzle flash, but shorter range).
Aperture Sight: Complete Marksman Challenge 2 (precision sight).
Telescopic Sight: Complete Marksman Challenge 3 (enhanced telescopic sight).
M1A1 Carbine Reach level 65.
Flash Hider: Complete Marksman Challenge 1 (invisible on radar when firing, reduced muzzle flash, but shorter range).
Aperture Sight: Complete Marksman Challenge 2 (precision sight).
Bayonet: Complete Marksman Challenge 3 (increases melee attack range).

Sub Machine Guns
Thompson: Reach level 4.
Suppressor: Complete Marksman Challenge 1 (invisible on radar when firing, reduced muzzle flash, but shorter range).
Aperture Sight: Complete Marksman Challenge 2 (precision sight).
Round Drum: Complete Marksman Challenge 3 (increased ammunition capacity).
MP40: Reach level 10
Suppressor: Complete Marksman Challenge 1 (invisible on radar when firing, reduced muzzle flash, but shorter range).
Aperture Sight: Complete Marksman Challenge 2 (precision sight).
Dual Magazine: Complete Marksman Challenge 3 (increased ammunition capacity).
Type 100: Reach level 25.
Suppressor: Complete Marksman Challenge 1 (invisible on radar when firing, reduced muzzle flash, but shorter range).
Aperture Sight: Complete Marksman Challenge 2 (precision sight).
Box Magazine: Complete Marksman Challenge 3 (increases ammunition capacity).
Ppsh: Reach level 41.
Aperture Sight: Complete Marksman Challenge 1 (precision sight).
Round Drum: Complete Marksman Challenge 2 (increased ammunition capacity).

Shotguns
M1897 Trench Gun: Reach level 4.
Grip: Complete Marksman Challenge 1 (vertical foregrip to reduce recoil, replaces Perk slot 1).
Bayonet: Complete Marksman Challenge 2 (increases melee attack range).
Double Barreled Shotgun: Reach level 29.
Grip: Complete Marksman Challenge 1 (vertical foregrip to reduce recoil, replaces Perk slot 1).
Sawed-Off Shotgun: Increases weapon spread, but reduces accuracy.

Machine Guns
Type 99: Reach level 4.
Bipod: Complete Marksman Challenge 1 (reduces motion for more accuracy).
Bayonet: Complete Marksman Challenge 2 (increases melee attack range).
BAR: Reach level 4.
Bipod: Complete Marksman Challenge 1 (reduces motion for more accuracy).
DP-28: Reach level 13.
Bipod: Complete Marksman Challenge 1 (reduces motion for more accuracy).
MG 42: Reach level 33.
Bipod: Complete Marksman Challenge 1 (reduces motion for more accuracy).
FG 42: Reach level 45.
Bipod: Complete Marksman Challenge 1 (reduces motion for more accuracy).
Telescopic Sight: Complete Marksman Challenge 2 (enhanced telescopic sight).
Browning M1919: Reach level 61.
Bipod: Complete Marksman Challenge 1 (reduces motion for more accuracy).

Pistols
Colt M1911: Reach level 4.
Nambu: Reach level 4.
Walther P38: Reach level 4.
Tokrev TT-33: Reach level 21.
.357 Magnum: Reach level 49.

Primary Grenades
Frag: Reach level 4.
N 74 ST: Reach level 4.
Molotov Cocktail: Reach level 10

Special Grenades
Smoke: Reach level 4.
Tabun Gas: Reach level 4.
Signal Flare: Reach level 4.