Halo: Combat Evolved Cheats for Xbox

You have to complete the game by using legendary difficulty setting in Campaign Mode...

You must finish the last level of the game in campaign mode under the legendary difficulty setting. The new ending features a human & alien fighting hand to hand. The human will say "Its over...

You have to complete/beat the game on normal & legendary difficulty settings in under 3 hours....

On the Assault on Control Room level. I found a chilled shortcut. When you get to the rock bridge with Banshees on it, walk as quickly as you can to the left side of the bridge as close to the wall as...

When you have at least two different types of granades and two guns all you need to do is shoot all of your guns and throw all of your granades until you are empty, but be positive not to kill anythin...

This Is Also called the early banshee trick.All You Gotta Do is take a rocket launcher. Go in to the tank room, & to the next room. DO NOT PASS THE WRAITH!(cove Tank) And Ice mond. Go Under a High...

Using a combination of assault, Shotgun, & grenades works best... Warning: Only use the (sticky) grenades at a far distance, for the small ones. Shotgun - use on gigantic floods, & small flood...

This cheat is for getting no enemies on the last part(not were you require to ride the warthog out). Now leave player at the last check point right before you enter the engine room. In the event you l...

Finish the game under the normal difficulty setting. You will now be able to over weapons under the legendary setting in lieu of - This is useful in case you require a fast fire weapon, a heavy weapon...

Take a shotgun that has 12 shots & 0 clips. After you shoot it a few times, you ought to be able to reload by hand. You can do this about 10 to 20 times....

To reload most weapons faster, press X and shortly after that press B to melee. Note: For the shot gun this will cause you to stop reloading all together....

This trick works best in multi-player mode. Drive the warthog in a straight line. When you see an enemy, jump out of the Warthog. Tap X repeatedly and sidestep to the right. In the event you are speed...

When Covenant dropship is getting ready to unload a group of Covenants, throw a grenade into the door as it opens. The blast will kill several of the enemies since they are all in one area. There are ...

Do not try to take out any Flood types with a sniper rifle. It will simply go through their bodies without killing them. The weapon of choice is the shotgun. You can take them down with one shot. Reme...

In the later levels of the game you will encounter new enemies called Flugs. These enemies will be small at first, but they will attack and control anything alive. Use a shotgun on these baby Flug as ...

This Isnt A Cheat Its A Picture.Go To Multiplayer Mode And Select The Level Blood Gulch Make Sure You Can Get The Shotgun And The Sniper Rifle. Have Player A. Get The Shotgun And Player B. Get The Sni...

When the Grunts are sleeping you can beat them to death with the butt of your gun without waking up any of the other Grunts. You can usually kill a four to seven of them before an alien spots you. The...

Normally Hunters are the hardest Covenant to kill, due to their powerful armor & shields. However, even the strongest armor has weak spots. In the event you look at their necks or backs, you can s...

Use a photon weapon to destroy a Jackal's shield quickly. When you encounter a Jackal, run up and hit it with your weapon or get out a gun that uses bullets, not energy. When you are a far way away fr...

At the Halo start up screen, pick multiplayer mode. Pick cooperative play at the next screen, then pick your profiles at the next. Pick the level where in the beginning it says, "I would have bee...

Where you cross the bridge, & all the tiny guys are sleeping, press B to hit them & quickly kill them. Leave on the left or right still sleeping. Throw a plasma grenade on the turret. They wil...

Get towards the end of the level. Take a Banshee in the open area and go up to the Control Center. Locate the middle ledge that are around the central pillar in front of the door. Maneuver the Banshee...

Get in the Warthog and drive around to the second group of trees. You will find another Warthog. Get in and proceed through out the level. When the supply ship crashes there will be another Warthog, g...

During level 2 "Halo", you will hear the warning "Take cover -- Covent ship is in boundaries". Run into the ship that you landed in and wait for the enemies to appear. Your motion ...

Get to the part where you can get in the Warthog and go off the cliff. Jump out of the Warthog. The Warthog will fall. You can see it fall or stay in it to fall off and die....

There is a Grunt in the level that will give you a message. To get to him, go all the way past where the drop-ship is going to pick you up. About three rooms after that, there will be a shortcut to yo...

Use the following trick to kill the two Hunters, the Sentinels and the Flood. When you are in the maintenance access ways, you will see a black Grunt run from the Flood directly in front of you. Kill ...

When you open the vents, instead of going to the bottom floor to destroy the engines, jump on the coupling that is moving away from the engine. From there, destroy the engine. When the couplings start...

On the last part when Echo 4-19 is supposed to pick you up and Cortana tells you to stop, do not do it. It is a waste of time because Echo 4-19 has been hit and crashes where you land. Keep driving st...

On The Pillar of Autumn level 1, there are some empty airlocks that the Covenants have entered from. After killing the Covenants, go inside to find two extra shields. These shields are better than you...

Depending on which difficulty setting you select, the captain of the Marines says a different motivational speech. From something soft in the easy setting, to something brutal with the legendary setti...

When you are facing a partner in multi-player and you cannot find ammunition, sneak up behind him and hit him in the back for an instant kill....

This trick works better in cooperative mode. If you need life and you have a partner, wait until you have killed 90% of the enemies around you. Then, have your partner hit you in the back with a gun. ...

In cooperative mode, have your friend kill you by hitting you in back with a melee attack. Then, have him pick up your ammunition, respawn again, and repeat. Have him keep killing you until he is full...

Go to the multi-player screen with the Slayer, King Of The Hill, and other options. Select "Create" Allow all vehicles in multi-player. Go to either Blood Gulch or Sidewinder. You can find T...

Create a multi-player game with two people and enable all vehicles. Take the Warthog and ram it in the side door leading up to the top of the base. Then, have that person hold Up so it does not fall o...

You can easily snipe the other players with a tank. Go to the end of the two parts where there is a large hill. Drive up there in a tank and aim at the other players. You will be able to see the entir...

If you are playing the levels in cooperative mode under the legendary difficulty setting, have one person stay behind and the other one charge into battle. Keep doing this until the room is cleared. H...

The weapons of choice are a shotgun or rifle, and a sniper. This allows you good coverage for short and long-range battles. The sniper helps you take out people that unaware you are aiming at them or ...

In multi-player, split screen mode, create a game type that has all the vehicles. Set up the tanks and Warthogs. Get in a Ghost and try to run into the tanks to do some really cool tricks. Your also c...

When you get to the part when the people and aliens infected by the Flood start coming after you, turn your flashlight on and point it at them. The large one will stop running and jumping so that they...

If you have a gun with a scope, use it to look at the middle of the Rocket Launcher. You will see a small picture with a man holding the gun with the text "Hold This Way"....

On a level where you can find a group of five or more marines (such as Assault On The Control Room), kill three marines quickly. The remaining marines will call you a traitor (shouting things like &qu...

Alright. First you gotta go to Blood Gulch with ghosts turned on. Then go in front of the red base a small with a ghost on the first hill. Objective towards the blue base. Start starfing right without...

On multiplayer go on blood gulch, now make your opponent go throug the teleporter and stay there, then you go through the teleporter and the other persons screen will go white, after a few seconds the...

On the level 2 get your men and go to the place wear the clif is, then reverse the warthog to the clif, wean you get to the clif just about balance the warthog, then get out of the warthog and jump on...

On the level 343 Guilty Spark, keep hitting the L button through the cutscene. When the cutscene ends, you should stay in the ship and be taken to an area with two-dimensional looking trees. When you ...

When you get to the part near the gravity lift make sure ur team is far away from u when u enter if u get far enough in the level extra reforcments will come as if your team mates had all died. then f...

To create yourself a living bunker, get yourself to a level with lots of Flood. Use an Assault Rifle. When the larger Floods get close enough, or when they're on the ground about to get up, shoot thei...

Go to Multiplayer Mode. Go to Side Winder. Now get a Tank and drive it up the cliff right next to the Blue Base(The cliff to the right of the Blue Base). You MUST drive the Tank to the far left of the...

Go to The Silent Cartographer and get to the part where you find an upturned Warthog in front of a foresty area (before you get to the Hunters in that metallish place) and be on multiplayer. Kill all ...

Go to the snow level on missions, two player, then go to the part where there are banshees, both people that are playing have to run forward and shoot at the same time and kill all the enimes that are...

In Cooperative mod, in the level "Silent Cartographer," head to the area where you shut down the security. Once there, head to any edge, and look down for a platform. FALL (Dont jump) and hi...

On the Assault on Control Room level. I found a cool shortcut. When you get to the rock bridge with two Banshees on it, walk as quickly as you can to the left side of the bridge as close to the wall a...

On the level 'Keyes' when you are going to let out Capt'n Keyes from his cell w/ the switch, as soon as you activate it, throw a plasma grenade at the cell, and it will stick to you as the cutscene th...

When you have at least 2 different types of granades and 2 guns all you have to do is shoot all your guns and throw all your granades until you are completely empty, but be sure not to kill anything o...

This Is Also known as the early banshee trick.All You Gotta Do is take a rocket launcher. Go in to the tank room, and to the next room. DO NOT PASS THE WRAITH!(cove Tank) And Ice mond. Go Under a High...

Go to milti-player and go to chilling out. There you will find 2 pipes you canot jump on, but if you jump onto the tel then throw a frag grenade at your feet then jump just before it explodes you will...

If you go to settings under multiplayer and make a new game you will be able to give people 50%, 100%, 150%, 200%, 250% or 400% health....

On any level go as fast as you can in a wart hog hold ^(left thumstick) rapidly tap X and the left trigger and be sure to hold Up when you do this so when you bunch it up all together you will hop out...

Grunts are by far the easiest and one of the safest, depending on which difficulty you are playing on. On Easy or Normal, these little guys are nothing more than a pain. Just shoot them with any weapo...

In halo combat evolved, master chief will always be running wen u move him in any direction. So if u move the thumbstick only a little bit foward and have a friend look at you, he will be running almo...

Throw a plasma grenade on the floor below you and jump above when it is about to explode. But you have to be at the top of your jump when the grenade gos off. cool huh?...

To get unlimited of each type of gernade (only in multiplayer not cooperative mode) you need to make your own game. When you do, go to weapon settingsor something like that. Then try to find something...

At the beginning of the level (after the mini movie) start throwing gernades right away. Don't worry if you can't throw them at first just keep on pulling the left trigger and after you use them up, y...

This trick is really fun! first go to a MP map that has warthogs. Then get in two warthogs, and ram each other. Try going on hills, and ice. P.S the best maps are blood gulch and sidewinder....

There is in level 5 a secret cave at the botton of the map entrance. It comes out on the side where they are not expecting a side attack from that side and it shall be easier....

I have only been able to do this trick on the Silent Cartographer Level, if you can get it to work on another level thats great. ok first of all you need to be playing co-op with a friend. the easiest...

At the start of the level, finish off the sentinals then go thru the door ahead of you. When you get inside there will be sents, and covenant. finish them off, go to the door, open it, then go to the ...

On Final Run clear the first area. On the second area take a left there will be a rocket launcher and a sniper rifle. They are at a tunelthat is blocked by boulders. Jump on one of these and crawl thr...