Mission:The FloodgateResult: "You’ll miss those eyes in the back of your head." Your motion sensor hides.As you are walking down from the anti-air gun you demolished in last mission, you face a ramp (right next to the missile launcher). Target and smack the checkpoint around that ramp. Now, you should be able to listen marine yelling, “There! Over There!”.Now lLook up and to the right, straight at the roof of building next to the missle launcher. There is a single flood form (not to be mistaken with 2 other flood forms jumping right infront of you) which is holding skull. You have to finish him before he can jump, now get the skull which he will throw to the ground. If you do it quickly it will stuck on the roof, so you have to make sure you do it on right time..
Halo 3 Odst Cheats
The Famine Skull
Mission: ArkResult: "Trust us. Bring a magazine." The weapons which are on floor or dropped are supposed to have very less ammunition e.g bullets compared to the normal.Just after when the phantom is damaged and you enter into the valley , see on your left side, you should be able to see a big boulder. Go to the side of boulder by using ghost which is nearest to the bridge overhead. Use thurst to pilot ghost up to side of the wall. To achieve the skull, pilot 2 ghosts up the wall to the top of bridge & then stack them one on top of another right next to beam where the skull is located. Jump on to the beam from top of ghosts, make sure your direction is towards skull.
Mission: The CortanaResult: "What used to be resistant is now immunity" Rivals have some body parts that may not get hurt certain bullet variantsWhile you are in circular shaped room with all the flood, locate and hop on top of a small structure piece next to the 2 archways, and up on rocks to the top left then turn left & jump up one more time and then do a 180 and jump over to the rocks across the side. When done successfully follow the the rock pointing out and leading up on top of of the real round shape room, skull should now be in blood.
Halo 3 Unlockable: Special Ending
To get the special ending unlocked you have to finish the game on the Legendary Mode successfully. Note: On legendary mode, its only the last stage which you have to defeat and complete successfully.
Halo 3 Unlockables
Successfully finish the following achievements to get the corresponding score.
Armor Permutations Unlockables
Body Pieces: Spartan marked with (S) and Elite marked with (E).
Halo 3 Unlockable: Silver Skull Locations
The arms of the player and the motion tracker disappear.
Grunt Birthday Party
If you manage to get a headshot on a Grunt, the Grunt will explode.
Halo 3 Secrets
Grunt Birthday Party skull
Effect: Headshots cause enemies to explode.Where to find: Crow's NestHow to find: Right after the first objective, while en route to the barracks, you will fall down onto a pipe. At the end of this pipe, look over the edge to see a small space a few feet below you. You must simply drop over and as quicly as you can, pull back to land under the floor you were just on. After that, the skull will be at the end.
Effect: Melee hits instantly recharges your shield. Where to find: Crow's NestHow to find: As soon as you start the level, head straight up to the higher level. Head toward the door with the red light, then turn around. Jump onto the racks, onto the red metal light holders, then onto the ventilation tube. The skull will spawn at the end.
Description: "Shoot from the hip"Stage: First StageHow To Find: When you get to the area where you see the Phantom overhead (one of the marines will point it out) jump over the rocks and keep following the path on the right. When you get to the cliff there will be a rock over of the side. The skull is on the end of the rock.Note: This skull has to be Activated before you start a Campaign map.
Effect: When either player dies in Co-Op on any difficulty both players will restart at last check point.Where to Find: Spartan 117How to find: In the area where you rescue Sarge, behind the prison cell is a large ledge. Got to the far right side and jump on the boxes, then onto the pipes to get up on the ledge, goto the far end of the ledge, turning two corners the skull is at the far end.
Tough Luck Skull
Effect: Enemies do saving throwsWhere to find: Tsavo HighwayOn Tsavo Highway, about halfway through the mission (right after you are forced to walk through a large blue barrier), you will come out of a tunnel on the highway, and see a large pipeline on your left. Drop down in between the two, and run to the wall in front of you. Follow the wall all the way to where it connects with the cliff on your right, and turn to the left. There should be a few ledges--simply crouch jump from ledge to ledge, and the last one should have the "Tough Luck" skull on it.
Effect: Every enemy on the field now has double their normal amount of health.Where to find: HaloHow to find: As soon as the mission starts walk up the hill in front of you and into the cave. Hug the right side of the cave and after a large boulder you will see a path on your right, just take the short path and it will be at the end.
Effect: Explosive force increased (sputnik from H2)Level: The ArkLocation: First pick up a grav lift from the small building near where you fight the scarab. Now proceed through the level until you reach the second sloping hallway (stairway), you should see some partitioned risers (platforms) halfway down. The skull is on the top level. Toss the grav-lift on the right side of the hall so it lands on the fourth little green dot from the door. Then run, jump, and use the grav-lift to propel you to the top. You should reach a ckeckpoint just as you enter the room so it you miss just try again.
Mission: The CovenantEffect: "Field promotions for everyone!" -- Upgrades enemies to their stronger versions.After you shut down tower 1 and get access to the hornet, fly to tower 2 (the one the arbiter shut down). While walking up the stairs, go to the middle part that connects both and there should be a stair leading up to a platform where the skull is.
The 7 Terminals
The Ark: 1. Start the mission and once you enter the first building take a left into another door and now you should be in a curved corridor. On the inside is a Terminal.
2. After activating the bridge to let your comrades accross the gap, do a 180 and you should see it. (it does not open until you activate the bridge)
3. In the third building after defeating the scarab, kill the group of sleeping covenant, then follow the corridor downwards. Once you reach a door in front that is locked, immediately on the left there's an open door. Go through and walk straight off, then do a 180 to find a secret room. It is in there.The Covenant: 1. When in the first tower standing on the lift, face the access panel and turn left. Jump over and it's right there.
2. Land your hornet on the second tower, walk towards the entrance but when you see the locked door, do a 180. Should be right in front of you.
3. When in the third tower standing on the lift, face the access panel and turn right. Jump over and it's right there.Halo: 1. After reaching the end of the first cave, hug the right wall and you will see a building. Jump up onto the walkway and hang a left once inside. It's right there.
Mission: The StormEffect: "Pull pin. Count to three. Throw." Every NPC carries two grenades and throws them often.You can get this by performing a grenade jump off a warthog, or grab a ghost and go back to the ramp from which you first came out, using the ghost to push a big square crate back over to the front of the silo pod that the skull is on top of, then use the box as a place to jump from.
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