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Sector Loading glitch

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The Sector Loading glitch allows players to access partially loaded sectors on Mombasa Streets in Halo 3: ODST. The main use of this glitch is entering the normally inaccessible areas of the half-loaded sector.


Start at the sector you want to glitch. Enter another sector by opening and going through a large gate. Now locate an entrance to a third sector. Get close to the gate leading there, but do not go into the illuminated gateway as this will trigger a "Loading... done", fully unloading the first sector. At some point near the gate, the first sector will partially unload and the third one will partially load.

You can see this happening when the game lags for a moment; this is why the glitch is also called the "bump glitch".[1] This may be difficult to notice, but it will happen relatively far away from the gate, meaning that you will certainly trigger the partial loading by walking to a few meters away from the gateway. In co-op, the partial load is very easy to notice, as any teammates left behind on the first sector will teleport near you.

After the partial loading is triggered, return to the first sector without triggering the third sector's "Loading... done" message. The first sector will now be glitched.

Effects and usesEdit

A partially loaded sector contains almost all geometry, as well as all the enemies that would normally be there. Disappearing objects include:

  • Optican stations (they make noise, but you can't take a health pack)
  • Crashed Phantoms[2]
  • Permanently locked doors.

The doors' disappearance can be used to access normally closed-off areas. For example, the doors leading to a normally inaccessible plaza in the northeast corner of Sector 8 (just south of Tayari Plaza) are open. Because viewing an Engineer-created glyph in the nearby sector requires the player to cross the partial load trigger, some wrongly think that viewing the glyph makes the doors disappear.[1] A larger area accessible with this glitch is Sector 9, the southernmost tip of the map. In the room with an audio log inside, there are multiple normally locked security doors that will be removed by the glitch, opening the way into the area behind the Energy Barriers. There's also an equivalent room in the Kikowani Station sector, allowing access to the unmapped area there.


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