Go up to an Elite with a sword, and kill him by hit him with a machine gun. Once you have killed him go on until you get to the next checkpoint. Once have got a checkpoint turn your Xbox off and then on again. When you go back on to that level again you will have all the weapons there are.

On the first level go through the archway beside the lake of blood. Once you're on the other side turn to the left and you will see a green leafy plant. If you walk up to the plant and press x, right trigger, left, up, down Commander in Cheif will eat the plant and go crazy. He will run around and do this wierd dance that is so crazy. Sometimes you just say wow that is crazy.

In the level "The Great Journey" It is on top of the contol room where Johnson blows up the door. Shield won't regenarate if picked up. Multiplayer Map - Foundation Bungie has decided to give the multiplayer map to anyone who signs on via Xbox Live. You will be prompted with an update as soon as you try to sign on. The update will unlock the map, improve support for 480p resolution display's, and speed up wait times in matchmaking. Blind Mode At the beginning of Outskirts jump on top of the light on top of the door with a crouch jump, then jump to the left platform. Turn to your left and go down the long dark corridor and pick up the skull; it will say blind and your screen will flash black for a while. In this mode you can not see your weapon, body, shields, ammo, or radar. To get rid of this feature use the following method: 1. Turn off your XBOX or Save and Quit. 2. Go to Campaign and select level and choose Cairo Station. 3. Skip the cinematics and then Save and Quit. 4. Go Outskirt and your hud is back. Envy Mode On the level "Delta Halo" on Legendary Difficulty, Progress until you reach the area during the "Push through the covenant held ruins" where you have to clear a Landing Zone for the Pelican to drop weapons. You will know you are in the right area when cortana says "they're pouring out of the center building". Anyway that area has Plasma turrets along its borders. A little bit after the left side turret you will see the outline of a door in a wall, but the door has a solid rock slab in it and a rock in front of it. Jump on the rock then jump to the ledge above the door then jump on the ledge to the left. Now jump onto the building with the sealed door using grenades. Atop the building you will find two dancing elites and the "Envy Skull". Pick up the envy skull and you will be able to use Active Camoflage like the Arbiter. Famine Skull After you get off of the slowly decending elevator in "The Oracle", you will come to a hallway where you see a handful of dead bodies. Continue into the next room, and you will be on the second floor of a room that has windows. When you enter this room, look to the right, and find the third pane of glass. It should be to the right of a wall that has some flood guts splattered on it. Shoot out this window, and either window directly across the room. If you look below you will see a platform that has four tall posts. On the far side of the room there is a column that is right in between the two windows, on the far side of the room. Turn on your active camo, and jump to the center platform. Jump on either of the posts on the far side of the platform and jump to the column between the windows. Make another jump through the window you shot out and make a left. Walk all the way to the end and you'll find four flood elites convulsing on the floor, with the Famine skull in the middle of them. When you have this skull all weapons will have less ammo. Ghost Mode After the outdoor area with all the ghosts and grunts, there is an 'L' shaped room that is seen throughout the level. It is right after the armory room that is full of covenant and human weapons. Grenade jump using a jacked ghost up to the rafters and it's up there. Grunts Birthday Party Mode In the level Arbiter on Legendary. Once you get to the first banshee section, fly immediately straight down all the way to the bottom of the map. In one of the cracks where the large cylinders connect to the station. There will be a circle of grunts dancing around a skull. When you pick up the skull; it will say Grunt Birthday Party on the screen. Now when you kill a enemy with a projectile weapon, they will blow up like a plasma grenade was stuck to them. To get rid of this feature use the same method as the blind mode. Iron Mode On the last Master Chief Level, on Legendary Difficulty, when you enter the final Gravity Lift, look up. A skull will pass through you extemely quickly so you must start holding X a bit before you actually pass it to grab hold of it. Once you grab the Iron Skull, Iron Mode will be activated. Mini - Master Chief action figure In Delta Halo, when you get to that "staircased" waterfall that you must climb up, then jump onto what appears to be a sniper rifle case, then a quick jump to land - as you turn that bend past that cave where the covenant snipers were - head into that cave - it is a dead end... Take a look at the floor - with a scoping weapon... A golden mini-Chief action fugure will be there. If you shoot it, it will also bleed. Mythic Mode In "Sacred Icon" there is a semi outdoor area which has the same type of area right next to it. There is a large sentinal in front of each one. Go past this area and down the piston and you'll be in a vary dark and dank flood infested area. There's a stack of 6 or 7 boxes as you enter the room. Use them to jump up to the landing above. There are a handful of alcoves on your right hand side. The skull is in the third alcove, floating above a dead human flood. When you are in this mode flood are invincible when driving vehicles. Posters at the Old Mambassa Crash landing *after Cairo* After you crash land on Old Mambassa, you can see posters all around with the Master Chief from the demo and some grunt posters. Sputnik Mode At the start of "Quarantine Zone" turn directly around, and you should see a tunnel. Head down the tunnel and go straight until you exit it. Go straight across the open area, and you'll come across a broken pipe tunnel on your right. Straight in front of you is a small ledge running across the wall, above the green pit. Carefully get onto that small ledge and walk all the way to the end of the ledge to find the Sputnik skull. In this mode explosion force and melee force is greater. Thunderstorm Mode In the large room after the armory, you need to use a duck-jump to get onto a light fixture on the right wall (right of the room when you enter) and then jump from there onto the higher area. There is a series of diagonal beams. Walk up one near to the end of it and use it to duck-jump onto one of the rails. You can fall between the rails, so be careful. Once on the rail, walk down it until you can jump onto the highest platform. Then bash the trashcan. It says Thunderstorm when you pick it up. Unknown Skull At the begining "Armory" wait in the room until the Sarge starts telling you to get into the elevator. You MUST wait for him to say "Would it help if I said please?" When he says this, get into the elevator and go down to the tram. Get on the tram and face towards the INSIDE of the building. Press up against the glass doors towards the inside of the building. You should hold 'X' down, and you should pick up the skull. It's on a stack of green crates, near the end of the tram ride. Crazy mode On the first level go through the archway beside the lake of blood. Once you're on the other side turn to the left and you will see a green leafy plant. If you walk up to the plant and press x, right trigger, left, up, down. Commander in Cheif will eat the plant and go crazy. He will run around and do this wierd dance. Clone army In a tank press A three times and then get out. now jump up three times and shoot three bullets of each of each gun you have. wait and after three seconds two more master chiefs will come on to the screen and will follow the same instructions you give to the original.

In the multiplayer map Zanzibar, there should be a computer on the upper level on the defense side that opens up the main gate into the base. After you activate this, the screen goes blue with the infamous BSOD. Assassins Mode A skull similar to the one that activates blind mode can be found if you Start on "regret". After the first lift ride (before the first underwater elevator), grenade jump from the front awning of the lift to the ledge in front of you (the one with two turrets).Grenade jump AGAIN onto the next ledge. Make your way to the back of the building. On Easy, you'll only find the skull. On Legendary, however, 2 invisible Elites carrying swords just shake their heads wildly, ignoring you completely. Angry Mode When you are the Master Chief trying to recover the index from the Prophet of Truth on the Covenant Holy City go until you reach the first outdoor area with dirt and vegetation. Take a right as you enter this room and run up to the wall past the gravity lift that leads up to the sniper point. Get on top of the wall by going up the dirt mound on your left. Follow the wall until you reach the floating skull called "Angry". Glitch on Delta halo mision Right get up to the bit where you get a scorpian tank, then get to the bit where a pelican drops ammo and marines and there should be some sheilds, destroy them with the tank machine gun, then go and drive then park over them,STAY IN THE TANK! And wait, on halo:combat evolved the sheilds broke when parked over but in halo 2 the spring you up! the tank(along with you in it) are sent hurtling up and can land in an unlimited amount of places! some times you can land on the pelican its self and fly off or you could go so high that you get stuck in the air!(dont worry though as the checkpoint is just b4 where you go over the sheilds) and where you go all depends on the order of destroying the shields and where you put the tank. Be warned though this can cause you and the tank to go straight into a wall causing the tank to explode and sudden death!

This only works in co-op. on Outskirts just after the pelecan has dropped off some marines near the jackal snipers,one of you stays on the ground and the other jumps up on some boxes and ledges so you can get up to the pelecan and get on in it, DONT STAY ON IT!!!, it will fly off and dissapear, what you have to do is jump off the back end onto the roofs while zooming in and out fast (doesnt matter what weapon) before it takes off. Then just as your about to hit the floor hold X+Y while zooming in and out, it can be tricky but practise makes perfect. If done correctly you should fall into the floor, now when you spawn back by your friend every time you zoom in and out your outfit will change similar to the multiplayer ones. Happy Glitching! :D

If you are at the opponents base on Coagulation then you can get the flag without going up the lift or dropping in from the top of the base, providing there is a banshee at the bottom that is. If there is a banshee there, jump on top of it then jump to where the flag would be on the next floor up. If you jump at the correct spot it says press X to take the flag. You can also capture it (score) in your base by doing this too.

When you enter zanzibar there will be a giant windmill looking thing. go to it and get in front of one of the spokes. when you do that wait for a second or two and you will find the spoke is able to walk on. when you see it walk on it until you get to this little half circle thing. walk off of it to the stone platform. when you get to the stone platform turn around that way you are looking the opposite direction of the base. once you do that you will see that there is a little chamber you can walk into[ no you will not fall off of it because you're upside down].stay there and the windmill will rotate for about two seconds then you will see a little room and floating inside it will be an energy sword. this can also be used as a sniping area for the defenders.

When I first discovered the cheat I crapped my pants three times cause it was so funny(my basement is disgusting now). Activate blind mode in the outskirts on legendary. Go through the level killing everything with the skull only the skull. Then when you get to the part in the big city kill the marines not the covenant and don't let the covenant kill any marines you have to kill them all. Then go back where you found the skull there will be a grunt there he will say" I took this guys suit and now he is naked but anyways here is his suit. It will say on the screen hold x to get suit it is Batman's suit (sweet). Then jump through the glass ceiling in the middle on top floor of the building. When you land there will be a grunt taking a goat on a unicycle back to the top where you fell through the goat will explode shooting rockets everywhere. Jump out in front of a rocket and get hit but because you are wearing the Batman outfit it won't kill you. Now you can fly and when you shoot your gun babies comes out. Congratulations you can give birth to babies anytime now. Time to crap your pants!!!!! :)

2 people are needed for this, get a sword each a warthog and a bashee, go to one ende of the map with a warthog (have a sword) get in the passenger seat have the other player stand near you lock on ang hold r, get him to fly to the other side of the map( as far away and high as possible) when he does press x keep r held in and you will fly in the air this is good when you have a sniper rifle and fing a landing zone.

THIS REQUIRES 2 PEOPLE - weapons set as rocket and sword When at Lockout ,have 1 person go through the blue portal which takes you to the main level. As soon as you hit the ground turn to your left and jump onto the ledge. Go as far right , while still on the ledge, as you can and look down. You will see the platform below you. Have the other person go down there. This person should stand almost right under the person on the ledge. Aim the rocket above them as far as you can with it still being red. Repeatedly hit x + y + R at the same time. It may take a while depending on how experienced you are. BUt doing this should send you flying to the top. When you start flying crouch to be sure you make it up there. when up there you can turn around, jump and go up even higher. How to fly Ok this tip is kinda hard. First On the Level Metropolis you are on the bridge. Make sure you destroy every Marine you have. When you get to the Middle of the Bridge there are two marines (sniper and Rocket launcher). Kill them both and then there should be some banshees coming. Get to the very end of the bridge and when a banshee comes Jack it. Once youve Jacken that Banshee There should be a covenant ship where you are at. To spot this ship look on the left side of the bridge when your coming from the begining. As you can see the ship has a covenant vehicle under it. Wait a while till the ship leaves. When the ship is going straight you think its gonna leave. Its not its gotta drop the covenant vehicle off. So this is what you do: When it stops to drop the vehicle off get on top of the ship, get out of the banshee and land on the ship. Be careful not fall off. And dont shoot any banshees that follow you. Trust me your gonna need them. Now the Ship should take you to where you are not supposed to go on the other side of the map. Once you get there your gonna think that level is crazy! When you travel In the ship MAKE SURE YOU DONT GO ALLLLLL THE WAY TILL the ship dissappears!!!. Trust me its like a 1000 mile walk to get back where you were. When your still on the ship and your over the tunnel get off asap. Then some banshees should still be around. Quickly travel near the edge on top of the tunnel entrance note:top not bottom and when a banshee arrives jack it and when you do all of a sudden YOUR FREAKIN FLYING ACROSS THE BRIDGE LIKE 1000 MPH ROFL. Let me Guess your gonna say well why do all those steps when i can just simply jack a banshee and fly on top of the tunnel entrance. Thing is, you can't! The ROCKET JUMP!! Hey dudes!! Get a Rocket launcher and a sword to start off with. The best level for this is headlong btw.. HEAD LONG! get it? you .. oh never mind.. nehoo. Empty out all your rockets and then make sure that your opponent is actually an enemy.. DONT KILL HIM!! lol . Look at him then start to push the fire button and the y button. Eventually you will Fly towards him. After some practice you will be able to reach the 2nd crane in the sky and then perhaps as i did. find the huge massive secret place.. The highest building actually lol. When you reach the highest building you will see no floor but a little grey statue thing infront of you. you can walk through it. its cool try it. Scarab Gun When you start on the level Metropolis first kill all of the marines you see and find.Then while going across the bridge kill every one you but make sure you have a ghost by the time you get off the bridge. destroy all the banshees exept for 1.lure the banshee into the tunnel and through it. destroy the warthog that's in the tunnel and the marines and the covenant so that nothing happens to the banshee. This is the really hard part. When you come to a little pathway that escorts you out of the tunnel and the circuler part the banshee should stop. you should see on your screen loading... done. When it says that right away get in the banshee and you can't be too early and you can't be too late. and if it works you should be able drive the banshee. When you're outside fly toward the two towers you should see when you kinda fly upward and there should be like a bridge conecting them and land in the middle. you should see a triangle with a exclamation mark and a plasma rifle above it. And that's a plasma rifle with the power of the Scarab gun. P.S. if the banshee gets stuck run behind it and a little back so it can target you. This also might take a couple tries as it did for me. I'm not kidding. have fun desroying eveything!!!!!!!!!!!!!!!!!!!!!!!

Go to the place in Campaign mode on the level Delta Halo when you have to activate the bridge to get over the canyon. First, activate the bridge, cross the canyon and destroy (or run past) the Wraiths. Next, go through the tunnel, as soon as you exit the tunnel go directly to your right. You will see an enormous rock wall that supposedly makes it so you cannot exit out of the level. Use a ghost and ram yourself into the wall in different places. At first you will not go up the wall but once you find the right spot you will be up the wall in a matter of seconds. After you have cleared the wall go up the hill in front of you then down it and you will see a relatively flat triangular plane. Go to the edge of the plane farthest away from you facing the water and edge your ghost slowly down the steep hill toward the ocean by making the ghost go in reverse, making you slide slowly down the hill and not die. At the bottom of the hill GET OUT OF YOUR GHOST otherwise the secret area will not be where it is supposed to be. Now go to the edge of the cliff facing the ocean and you will see a large, very plain structure in the ocean to your right. There is a support beam going to the lower ledge of the cliff. Walk over to the lower cliff and jump on it, NOT the Beam, and walk around until you see “Loading” or “Loading done” on the upper right corner of your screen. Finally walk down the tunnel and you will find yourself in a giant area with a waterfall and every weapon in the game.

Once you have almost used up your sniper rifle, beam rifle, or rocket launcher (with 1 shot left ), trade with your squadmate. Once they have that weapon, they have limitless ammo for it and can help you out immensely with the more powerful weapons. There are two points to note: if you try and trade your weapon back from them, it will still have the same amount of ammo that it had when you gave it to them and the energy sword cannot be traded with human squadmates. Energy sword on old mambasa on old mambasa go to the spot were the covenant pour out of (the spot were johnson will say more on the street left side)there should be a dirt pile jump onto the dirt pile and crouch jump onto the rafters keep on jumping around the buildings(make sure the building you are jumping to is on left hand side)when you go far enough there should be a hole on the roof of a building if you jump down this hole there will be a energy sword planted face down in the floor. if you continue farther you will find the end of the map (a sea of grayness)if u throw a grenade at the grayness it will stick to the wall spin and explode. happy findings =)

Right get up to the bit where you get a scorpian tank, then get to the bit where a pelican drops ammo and marines and there should be some sheilds, destroy them with the tank machine gun, then go and drive then park over them,STAY IN THE TANK! And wait, on halo:combat evolved the sheilds broke when parked over but in halo 2 the spring you up! the tank(along with you in it) are sent hurtling up and can land in an unlimited amount of places! some times you can land on the pelican its self and fly off or you could go so high that you get stuck in the air!(dont worry though as the checkpoint is just b4 where you go over the sheilds) and where you go all depends on the order of destroying the shields and where you put the tank. Be warned though this can cause you and the tank to go straight into a wall causing the tank to explode and sudden death!

Fined two items one is blue that is the one to make you invisible and the other is red that gives you a shild.

As soon as u start a multiplayer game, pause the game immediantly and press L,R,L,R ,up,down,L,A. this will cause you to start with a King Osman Gun next time you die.

Go to Metropolis under heroic mode and as soon as you appear dont move. Look directly up, then directly down, then look striaght. Click the left trigger and hold it down and press Y,Y,B,White, Y,B,A,A,A, White, X,Y,Y, A, Black. After that done, leave game, go settings, create a profile with the name being "Samus". Restart your Xbox and in campaign, under heroic, Master Chief should now be Samus

Beat the single-player campaign on any difficulty. Blind Mode At the beginning of Outskirts jump on top of the light on top of the door with a crouch jump, then jump to the left platform. Turn to your left and go down the long dark corridor and pick up the skull; it will say blind and your screen will flash black for a while. In this mode you can not see your weapon, body, shields, ammo, or radar. To get rid of this feature use the following method: 1. Turn off your XBOX or Save and Quit. 2. Go to Campaign and select level and choose Cairo Station. 3. Skip the cinematics and then Save and Quit. 4. Go Outskirt and your hud is back. Crazy mode On the first level go through the archway beside the lake of blood. Once you're on the other side turn to the left and you will see a green leafy plant. If you walk up to the plant and press x, right trigger, left, up, down. Commander in Cheif will eat the plant and go crazy. He will run around and do this wierd dance. Clone army In a tank press A three times and then get out. now jump up three times and shoot three bullets of each of each gun you have. wait and after three seconds two more master chiefs will come on to the screen and will follow the same instructions you give to the original.

As a hidden surprise, Bungie decided to give us a preview of H3. The Prophets WILL fight in the next game. When you "fight" the Prophet of Regret, don't kill the honor guard. Run directly to Regret and press X,X,B,A,Y while holding an energy sword. Board his ride, melee him 3 times, and he's dead, so hurry up before the guards kill you. DON'T KILL THE GUARDS! Finish the level and change your profile to an elite. You can only have the Prophet Rocket on Coagulation(multiplayer), but it's awesome. The launcher fires three rounds at a time, but doesn't home in. It is twice as fast as the human rocket launcher, in other words, it kicks asssssss!!!!!! Good hunting!

On the level Delta Halo where Cortana says "Their all pouring out of the center", when you are walking into the building where they are coming out of look to your left. Their should be a large cube shaped block blocking a small tunnel. For those of you that know where the envy skull is the block i am talking about is the one that you have to jump on to get the envy skull. Around 5 well placed grenades should move the block just enough for you to fit in to the tunnel. At first you will see nothing but darkness but as you walk forward you will see two glowing beam swords on the floor.

1. First, on outskirts. Go to the alley under the elite on the roof. There is a small structure. Walk to the dirt pile get on and do a crouch-jump onto the structure. Turn to the side and do another crouch-jump to the ledge across. Turn around and jump onto the red roof. And have fun with the wonders of the rooftops. 2. On the level "Regret" after you kill everyone(optional) on the bridge after the brocken one there is a block that is covered in plants. Jump on it then jump onto the piller in front of it. Then jump onto the ledge then turn to the right and there should be a place covered in hang-over vines. Go through it and you will end up on the other side. Jump down onto the bridge where the gondala luanches. This will take you around the entire center.

During the Campaign, Successfully Press, A,X,B,B,Y,Right Trigger, Left Trigger, Right Click, X, Y, W, B, W, B, W, B, W, B, W, B, Right, Right, W, B, Black, Y, A, X, B, Left Click, Left Trigger, Left Trigger, Left Trigger, Left Trigger, Right Trigger, Back, Start, Start, Y, B, X (Board a Ghost with this last button). Make sure that you are over a pile of weapons because you want to be dual wielding throughout the entire code. The result will be once you get out of the ghost after u kill at least 5 enemies by boosting, that you will be transformed into a cortana looking HOTT Female, wearing the Master Chief Helmet. Some how master chief has taken the role of Cortana. If the code doesnt work try again!!!! it has to be timed correctly.

If you are in a closed area (small room, hall way, etc.) then hold only 1 weapon, so you can throw grenades. If you are in a open area (big room, outside, forest, etc.) than have 2 weapons in hand because grenades will be useless. Be The Gunner Get to a 'Hog and jump in the gunner/passenger seat and let the marines drive. It will be x2 more effective than you driving (it depends on your skill). Weapons List Here is a Complete list of the weapons: Legend: x:can dual h:can head shot z:can zoom once z:can zoom twice l:can lock on s:Splash damage b:uses a battery(non reloadable) sp: Single player only Weapons 1.Magnum(pistol) x,h 2.SMG x 3.Battle Rifle z 4.Shotgun s 5.Sniper Rifle 2z,h 6.Rocket Launcher l,s 7.Plasma pistol x,b 8.Plasma rifle x,b 9.Brute plasma rifle sp,x,b 10.Covenent Carbine 2z 11.Brute shot s 12.Needler x,l 13.Covenent sniper rifle 2z,h,b 14.Fuel rod cannon s,sp 15.Sword l Become a Clown When faced with the enemy tank, turn to the left 4 times and then press A, X, Y, Black. Your player will now turn into a Clown. Funny MP message On the Multiplayer lever Zanzibar, go into the large structure against the back wall oposite of the beach, when you go in, go up the first flight of stairs, and you should see two doorways across from each other, go through the one that doesn't take you out of the structure, you should see two big spinning things and in front of the one closest, theres a keypad that you can use to open the side gate of the structure, press it, and zoom in with the right thumbstick, and on the left side of the keypad there will be some writing, saying WAC A total FU exeption has occured at your location. All system functionality will be terminated. *Predd any key to power cycle the system. If system does not restart, scream at top of lung and pound on keypad. *If you need to talk to a pregrammer press any other key. Press any key to continue_

Level:delta halo: get in the tank cross the bridge and go to the part where there are like 5 or 6 shilds(that you hide behind) then kill them all go on top of them (roll over the stands) let them appear then you wana either shoot the gun or move the tank ( stay in the tank thou) then you should get blasted in the air (this might kill you) also it might not work the first time or you'll get a dud so try again. good luck!

When faced with the enemy tank, turn to the left 4 times and then press A, X, Y, Black. Your player will now turn into a 'Bo-Bo' type clown.

This code will work only if you have completed the game at least once on legendary difficulty.firstly,start a new game on hard or legendary difficulty.During the armory level,approach any elites and kill them with melee attacks.weapons should not be used as this will not enable the cheat.immediately after killing an elite,turn off your xbox and switched it on again.you will be pleasantly surprised that you will get unlimited ammunition for all weapons!

The cheats these other fools have submitted are obviously garbage and made up. You can unlock the foundation MP map by finishing campaign mode on easy. there are also two other maps to unlock: Marathon and Conclusion. Try finishing harder campaign modes to unlock these levels.

In the multiplayer map Beaver Creek there are two high up ledges with sniper rifles, the one to go to is the one next to blue base. Once there you will see that slightly to the right of where the sniper rifle is pointing there is another cliff. Jump on that cliff, then on that cliff you will see a large bump with two rocks on it. Knock both rocks off by melee attacking them several times. Behind the largest rock there is what looks like hand-written text that says "Why am I Here", there is some smaller text underneath "Why Am I Here" but I can not read it. Make sure not to get too close to the words or zoom in on them otherwise they can not be deciphered. If you have any problems e-mail me at Phacops596@hotmail.com