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Well, without asking the programmers or designers, I'd have to say that most of these things are glitches that fortunately worked out to be cool. There are obviously intentional secrets in Metroid, though. I mean the revelation that Samus was actually a woman was probably one of the most surprising video game endings ever at the time.

Dan Owsen

A Secret World (also known as a Hidden World) is an area in a Metroid game that is created through a glitch. In the 2D games they are often variations of a room, major area, or sometimes even the entire game; and in the Prime series they are areas outside the boundaries of a room. These are often completely black except for the room the player entered it from, which they can still see and re-enter if they walk through the wall. Secret Worlds in the Prime series are often used in Sequence Breaking, most notably the Early Ice Beam.

Throughout the Metroid seriesEdit


Secret World insert

Nintendo Power volume 29

Secret World

In the original Metroid Secret Worlds were found by using a glitch called the Door Jump or by using a cheating device. Some of the hidden worlds were simply areas that got left out of the game. Others, reached by "flying" (using a cheat code or a hack) up an elevator shaft are versions of the place Samus would be, with the graphic palette of the area she just left. The reason is that when she rides an elevator that is the game's excuse to switch palettes, and so the Secret Worlds that are entered by flying are really the actual place it resembles, and the game has not switched palettes. This explains why most Secret Worlds in the game are stable.

Metroid II: Return of SamusEdit

In Metroid II: Return of Samus Secret Worlds were often entered by using the Block Shifting Glitch (also known as the Select Glitch). It sometimes will move blocks out of the way so Samus can enter glitched rooms. As with the original Metroid, these Worlds are versions of the room Samus supposed to be, but filled with junk. Occasionally in these Secret Worlds, disconnected but still functional parts of Save Stations can be found. In the Worlds Samus might also find enemies that are made of the wrong sprites. The Block Shifting/Select Glitch has limited use in speedruns.

Metroid PrimeEdit

In Metroid Prime, Secret Worlds are accessed by going out of the boundaries by jumping on some elements that were not intended for this. It is possible to get into a hidden world in the Chozo Ruins Main Plaza,[1] the Life Grove in Tallon Overworld,[2] and the Ice Ruins East in the Phendrana Drifts, among others, by jumping onto certain blocks protruding from the wall.[3]

Metroid Prime HuntersEdit

In the multiplayer modes of Metroid Prime: Hunters, certain glitches or cheats bring the hunter into similar Secret Worlds as Prime. The simplest glitches are achieved by using an explosive weapon to blast the hunter through certain spots in walls. It can also be done in the single player mode.[4]

It should be noted that this is considered cheating when done online, as the person outside of the stage can shoot at those who aren't outside the stage, but those in the stage cannot shoot the people who are outside.


  1. ^ Secret Worlds: main plaza. Retrieved on 2012-02-22.
  2. ^ Secret Worlds: life grove. Retrieved on 2012-02-22.
  3. ^ Secret Worlds: ice ruins east. Retrieved on 2012-02-22.
  4. ^ Techniques: Missile Push. Retrieved on 2012-02-22.

External linksEdit

Metroid 2002

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