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Geyser is the developer name given to the arena of the ninth colossus.


A desolate land covered in black clouds. There are geysers all over the place, spewing out water with great force on a regular basis. If Wander touches a geyser, he will be blown away.


The arena is located on the west side of the Forbidden Lands, close to Round Stone Hill, at quadrant D3.


  • In the preview version of the game, Basaran's dry lake bed was full of water, and it was possible to avoid its attacks by swimming on it.
  • The trees by the entrance of the arena are named as "I4_trees" and "crater_trees", and were originally from the unused arena of Phoenix, named Crater.
  • In the E3 Demo version of the game, a cutscene (with no camera panning) with the song 'Sign of the Colossus' plays when first finding this arena, likely as a placeholder. However, this cutscene was discarded in the final version.
  • There is substantial evidence pointing to Geyser being located at the quadrant 'I3' at a previous point in development. They are as follows:
    • The PS3 data sheets list no low resolution textures ('slow_i3') for I3, meaning its slow map texture did not have 'I3' in its name; this means it was a Colossus arena and that the texture was named after the developer nickname for it (ie. 'slow_gysr_mip' instead of 'slow_i3').
    • The I3 seen on the early pause menu map is nigh-identical to Geyser in terms of shape and geometry; both are circular plains of almost the exact same size surrounded by mountains, with large caves flanking them on the side.
    • There exists an old texture segment for Geyser called 'geyser_14' containing matching textures to Crater, Phoenix's arena; these textures only exist in those two areas and nowhere else. This suggests Geyser used to be right next to I4, with the only option being I3.
    • One of the textures used in I2 is called 'sk_gnd_stone_a01_mip'; said texture is only used on Geyser, the old Geyser and the areas situated on the eastern side of the Forbidden Lands, such as Dune and Shimooki's (the field designer responsible for the east) tests; heavily suggesting I2 was near it.
    • An old and unused texture segment relating to Geyser called 'geyser_par_erea_gate' lists the same texture used in I2's mountains, 'sk_rwl_canyon_yelw_a001_mip', which is only used on a handful of texture segments (I2, old Geyser, st25a and Shimooki's tests). This could suggest that the cave seen in I2 once led to the arena of Basaran.
    • There exists an old test of Geyser called 'shimo_test_p', clearly referencing the Team Ico field designer Mitsuhiro Shimooki, whose tests in the sheets are all exclusively of the Eastern quadrants and primarily of I2. In fact, the similarly-named 'shimo_test_p1' and 'shimo_test_p2' texture segments are quite likely just I2 with a different name, since they list the exact same textures.
    • The E3 demo version of Geyser is called 'geyser_d3' (it is named geyser_geyser in the final version), suggesting that it did not originally belong to that quadrant (canossa_d6, sanctuary_f8, proto_f3 being prototypical examples of this naming scheme).


The Game Shadow of the Colossus ( Demo  · Pal Release  · Shadow of the Colossus HD  · PS4)
Characters Wander  · Agro  · Mono  · Dormin  · Emon
The Colossi I  · II  · III  · IV  · V · VI  · VII  · VIII  · IX  · X  · XI  · XII  · XIII  · XIV  · XV  · XVI
Unused Colossi ( Devil  · Evis  · Griffin  · Phoenix  · Roc  · Saru  · Sirius  · Spider  · Worm  · Yamori A  · Datamined Colossi)
Magic Sigil  · Hard Mode
Colossus Arenas Temple  · Proto  · Arena  · Kirin's Hill  · Canyon · Canossa  · Lakeside  · Underground  · Geyser  · Gravewind  · Leo's Cave  · Poseidon's Lake  · Desert  · Ruins  · Parthenon  · Sanctuary
Unused Arenas ( Badlands  · Cave  · Crater  · Devil's Plain  · Dune  · Hillock  · Labyrinth  · Sluice  · Stonehenge  · Valley )
The Forbidden Lands Shadow creaturesSave shrinesFruit treesWhite-tailed lizards

The Shrine of Worship
Umbral GladeStone Arch GorgeDried MarshNorthern SpanDesert FortressMisty FallsRavine EntranceHalf-moon CanyonWestern PlainRound Stone HillLair to the WestStone Bridge CliffCliff PathLair on the MesaWestern CapeArch Bridge PlainBlasted LandsAutumn ForestEastern BluffValley PlainSouthwestern CapeSouthern PlainGreen CapeThe Broken Seal

Soundtrack Roar of the Earth
Walkthrough Time AttackGolden Coins
Other media Nico  · Official artbook/guidebook  · Collectible figurines  · Film adaptation
Giantology campaign
Hoaxes Jebal-Barez skeletonTamil Nadu tsunami giantSulu Sea eel statuePolarneft conspiracySayre family vacation
Characters Eric BelsonCasper ShillingEd GuylerArkady SimkinBoris AtlasovAndrew and Ellie Sayre
Media Giantology podcasts (FirstInterview with Arkady SimkinThirdFourth) • IPICP memo
SotC Template CoverLogov2.png Walkthrough
Characters Wander  · Mono  · Agro  · Dormin  · Lord Emon  · Guards  · Shadow Creatures
Colossi I  · II  · III  · IV  · V · VI  · VII  · VIII  · IX  · X  · XI  · XII  · XIII  · XIV  · XV  · XVI
Locations The Forbidden Lands  · Shrine of Worship  · Colossus Arenas
Main Items Power-ups (Lizards · Fruit) · Weapons (Ancient Sword · Sword of the Sun · Queen’s Sword · Sword of Dormin · Bow & Arrow · Ancient Bow · Harpoon of Thunder · Life Sword) · Collectibles (Relics)
Gameplay Hard Mode  · Save shrines  · Time Attack  · Reminiscence Mode  · Watermellon  · Barrel
Media Roar of the Earth (OST)  · Official Art and Guide Book  · Nico Bonus DVD  · Film
Releases OPM Demo  · PS2 original  · PS3 remaster  · PS4 remake  · Credits
Early Builds Preview version  · PSU Preview version  · E3 Demo
Unused Content Unused Colossi  · Datamined Colossi  · Colossus Test Stages  · Unused Locations  · Beta Mountains  · Shadow of the Colossus Development Phases