The Chozo Ruins on Tallon IV, north and northeast on the map, are the ruins of an ancient Chozo city, populated until Metroid Prime, Phazon, and the Space Pirates infested the planet. The Chozo eventually left the planet, though they left their lore behind that prophesized Samus Aran would one day save the planet. Its buildings were made out of stone. The boss of this area is the Flaahgra, a monstrous mutant plant that caused the water to become extremely poisonous. It is also where Chozo Ghosts can be found. It is the only place in Metroid Prime where Samus encounters no Space Pirates (with the exception of the Impact Crater). Because of the Chozo Ghosts and the absence of useful materials, the Pirates decided to make the area off-limits for the time being.

Not to be confused with the Chozo Ruins across the surface regions Chozodia and Crateria on Zebes.

Areas and main rooms Edit

When the Chozo came to Tallon IV, they wanted to better understand the life around them, so they used almost zero of their very advanced technology. Instead, the Chozo built their city entirely out of stone and other natural substances. The landscape is also home to an enormous amount of Beetles. It can be divided into three main areas:

Main area (west area)Edit

Main Plaza entrance Dolphin HD

Main Plaza

The first area explored by Samus and also the biggest, it contains many of the items found in the Ruins.

Main roomsEdit

Central areaEdit

A lot smaller than the first, it only has some of the "classic" items Samus found on the ruins. It can only be explored after regaining the Missile Launcher.

Main roomsEdit

East areaEdit

Hall of the Elders Statue NPC!

Hall of the Elders

This area has Chozo Ghosts in some rooms and can only be explored after obtaining the Spider Ball. Samus finds the Ice Beam here. The music in this area changes to the music heard upon first entering the Chozo Ruins.

Main roomsEdit

Power upsEdit

77 Metroid environments

Tom Papadatos



  • This is the only area in Metroid Prime that does not have a table based on it in Metroid Prime Pinball.
  • This is the area in Metroid Prime with the most power-ups (seven). These include some of Samus' more iconic items, like the Charge Beam and Morph Ball.
  • Chozodia is also referred to as the Chozo Ruins.
  • Although Chozo Lore claims that the Ruins were built without any advanced technology, many sophisticated mechanical devices can be found in the area. While it is possible that the Space Pirates installed some of them before abandoning the region, many others display Chozo text or architectural motifs and must therefore have been installed by the original inhabitants.
  • Interestingly, the drum beat in this area's background music does not begin until Samus defeats the Plated Beetle and regains her Morph Ball.


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