StrategyWiki has an article about: Urchin Underpass

Urchin Underpass is a multiplayerstage inSplatoon andSplatoon 3.

Urchin Underpass consists of two large L-shaped areas of land that are joined together by a rectangular piece of land between them. It takes place below a highway.

Layout

Thespawn point of Urchin Underpass is fairly complicated despite being a usually neglected area. It is a large, enclosed area with several slopes descending to the lower floor, as well as grates leading away from it. The area around the spawn is a high, wide level with railings surrounding the edges, and the only way up is through the winding ramp situated at the corner in front of the spawn point. The spawn point area is accessible to the enemy team. The spiral ramp also has a walkway that leads to an alternate entrance into the main arena.

Dropping down to the lower floor, the path toward the center of the map splits. One is an elevated path partially protected by railings and hard to reach for the enemy team, while the other is behind a grated wall that squids andink can easily pass through, but solid objects likebombs cannot. A pillar juts out where the split paths converge and is tall enough that only players from the upper level can jump to. Beyond the pillar is a steep ramp leading to a side area that functions as the team's battlements. There are large patches of uninkable ground as well as two openings that make for popular sniper outposts. The opening that is closer to the middle has an inkable wall so that anyone from below can swim up to it.

A large multilayered hill marks the entrance to the center, while a narrow alley runs beside it. At the end of the alley is a small flat square, and beyond that is the front lines where shots are traded, which has a ramp for daring jumps into enemy territory, a wall for cover and two ramps leading down into the gorge between either team's concrete platforms. The platform walls are all inkable, allowing for surprise attacks from within the gorge. Two trees are placed at either end of the gorge for cover. There are no hazards in this stage.

Urchin Underpass received major changes inSplatoon 3. A new spawn platform was added behind the original spawn area, along with the ramps leading into the spawn region being removed. The right side of the spawn region was expanded slightly and the high ground around the right side has more gradual elevation changes. The entrance to the center from the right was opened up more, and the ground featured after dropping was expanded. More ground was also added behind the entrance to the side alley on the left side and an inkable wall with grates allow another way to enter it. Sponges were added to access the side alley on the left from the center and in the pit of each team's spawn area. The center of the stage has been made wider, allowing more ground to maneuver with.

Ranked Battle terrain

InRanked Battles, specifications for the terrain or placement of objects are different between the modes; these changes create new paths or new objects to take cover behind.

Splat Zones

The Splat Zone in Urchin Underpass is located at the very center of the map. It is the smallest singular Splat Zone inSplatoon, so gaining and staying in control requires lots of attention to it. Boxes have been added near both ends of the Splat Zone to protect from enemy fire and a vantage point to attack the Splat Zone.

InSplatoon 3 the Splat Zone remains in the same location. An Inkrail was added to the far left of the stage. The walls seperating the side alley and the entrance to the center of the stage were replaced with an inkable platform connected to the side alley, making that area more open.

Tower Control

In Tower Control, the Tower starts in the center plaza. It moves straight back towards the enemy territory and climbs up, then moves to the rider's left, climbs back down, and reaches the goal. An inkable wall was added to the opponent's flank on the left of the center of the stage.

InSplatoon 3 the Tower path remains mostly the same. Instead of going to the far left of the opponent's spawn, the goal is located in front of each team's spawn, with the tower turning forward once it gets to each team's pit. The side alleys now go slight lower when getting close to the center and the inkable platform in Splat Zones is present. The inkable wall that allowed access to the opponent's flank was removed.

Rainmaker

The Rainmaker in Urchin Underpass is located in the center of the stage, just below the two ramps in the center. The goal is at the end of the small strip of land with four stripes in front of the opposing team's base. Two stacks of blocks have been added to help both teams get to the center of the map faster.

InSplatoon 3, the Rainmaker starts at the center of the stage. Ramps and blocks have been added to make the center of the stage level with the other ground around it. The checkpoint is located at the top of the small hill to enter the opponent's spawn. The goal is located at the same location with the ground around it more closely resembling theSplatoon variant. The sponge located in each team's pit has been replaced with an inkable wall, allowing both team's to reach the high ground quicker. An inkable block was added next to the platform allowing access to there. The side alley and a small corridor near the small hill are blocked off from access from the center.

Clam Blitz

The Clam Basket is located in front of each team's spawn area, accessible to clams by the pit. The vertical grates next to it were moved back and the ramp next to the platform behind it were removed, making the pit more open. Other than this, the layout is most similar to the Turf War layout.

Splatoon

Retired.

This article or section describes content that may be partly or wholly inaccessible due to its removal or the discontinuation of online services.

Urchin Underpass underwent a series of changes between its development period and release. It is also used inOcto Valleymission #21,Unwelcome Flying Object, as well as theBattle Dojo in the released version of it.

Early design version

The earliest designed version of Urchin Underpass has been seen in a screenshot from when the game still used rabbits as the design for the player characters. The center of the stage is very similar to the E3 and release versions of Urchin Underpass.

E3 2014 version

See also:Urchin Underpass/Development

The pre-release version included many differences, such as:

• A water tank guarded by afence could be found in the corner of teams' bases.
• The raised platform opposite thespawn points in the teams' bases was accessed by one smaller ramp, included a wooden plank used to swim up through a grated platform, and did not provide access to the Center Plaza.
• The lowest area in teams' bases was much larger.
• When leaving a team's spawn point and heading left, the first ramp encountered was not present. Instead, players could go around the raised portion on either side. This raised portion was split into three differently-sized platforms, and a window was not present in this location.
• The walls of the secret alleys were concrete, not glass.
• When entering the center plaza from the main entrance, a small fence acting as a grated barrier was present on players' immediate left.
• The ramped platforms allowing players to jump to the other side of the center plaza were directly opposite each other.
• The middle area in the center plaza was slightly smaller.
• The grated walkways outside the secret alleys in the center plaza were extended.

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  A team's base.

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  The center plaza.

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  The three platforms near teams' bases.

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  The water tower and smaller raised area.

Version 1.0.0 to 1.3.0

In this version, the center of the stage is almost the same as in the E3 version, but each side's base was changed completely, from removing grates and high platforms to ramps and high advantage points.

There are two alleys located near the central plaza. They are long, narrow, hidden-away strips of turf that are difficult to access which have two glass panels.

It is still possible to play the pre-update Urchin Underpass inBattle Dojo.

Version 2.0.0 onwards

On27 July 2015, the officialSplatoon Tumblr announced that Urchin Underpass would be undergoing maintenance between 2 and5 August 2015. They released an image showing the original map scribbled on, allowing fans to see what about the stage would be changed. Many features were altered, including:

• The trees near each team's base were moved to the center of thestage.
• The secret alleys were extended and pushed further away from the central area. They were also widened and given another access point to the center area.
• Thegrated walkways protruding from the secret alleys were removed.
• The ramps leading into the central area were made so that they only took up half of the available space. The other half became flat turf.

Version history

Maps

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  Turf War

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  Splat Zones

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  Tower Control

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  Rainmaker

Gallery

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  The stage map of the layout of the old Urchin Underpass.

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  Old Urchin Underpass during aSplatfest.

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  Old Urchin Underpass during a Splatfest, showinggraffiti and the former alleyway.

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  Old Urchin Underpass during a Splatfest, showing graffiti at the center.

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  Old Urchin Underpass during a Splatfest, showing the night sky.

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  Old Urchin Underpass during a Splatfest, showing some cat graffiti.

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  Old Urchin Underpass during a Splatfest, from mid-Super Jump.

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  Asparrow on a power line above Urchin Underpass.

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  The sparrow's underside.

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  Concept art of various objects at Urchin Underpass.

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  Concept art of different locations. "Highway" is an early sketch of Urchin Underpass, and "Suburb" may be as well.

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  Map of old Urchin Underpass.

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  Top view of the map.

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  Sketch of Urchin Underpass in version2.0.0.

Promotional images

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  Early screenshot

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  A promotional screenshot of twoInklings at Urchin Underpass.

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  A screenshot of the E3 build ofSplatoon, showing the only stage (Urchin Underpass) and the only weapon (Splattershot) at the time.

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Splatfests

Urchin Underpass was available in the followingSplatfests inSplatoon.

• Rice vs. Bread
• Cats vs. Dogs (July 2015)
• Rock vs. Pop
• Airhead vs. Wisecracker
• Art vs. Science
• Messy vs. Tidy
• Naughty vs. Nice
• Get Fit vs. Get Rich
• Pokémon Red vs. Pokémon Green
• Tuna & Mayonnaise vs. Red Salmon
• SpongeBob vs. Patrick

Splatoon 3

On10 June 2025, Urchin Underpass was confirmed to return in the Version10.0.0 update toSplatoon 3, which released on12 June 2025.^[1] The stage recieved major changes to its terrain, especially near the spawn region.

Maps

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  Turf War

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  Splat Zones

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  Tower Control

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  Rainmaker

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  Clam Blitz

Gallery

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  During aSplatfest

Promotional images

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  Promotional video of Urchin UnderpassRecon gameplay posted toNintendo Today!
  (link to file)

Mario Kart 8 Deluxe

Urchin Underpass appears as a battle course inMario Kart 8 Deluxe. This version of the stage features much more open areas for players to drive in and purple and greenink splatters on the ground that decrease the traction of vehicles driving in them. Additionally, the grates leading to the side alleys are raised so that they can be driven under. The background is also altered, such asgraffiti ofTanooki Mario being added to a wall and one of the background skyscrapers being replaced withInkopolis Tower. On this course, theItem Box roulette sound effect is replaced by the ability reroll sound fromSplatoon, and in the Renegade Roundup and Coin Runners modes,coins are replaced bycash.Jellyfish appear as spectators in the background of the course. A rendition ofSplattack! is used as the course's main music, and in the final minute of the battle, the music switches toNow or Never! (unlike in other courses, where the music simply increases in speed and pitch in the final minute).

Gallery

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  Course icon

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  Map

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  Results screen background

Quotes

View the quotation page.

Trivia

• Urchin Underpass is the only stage inSplatoon that was changed almost completely after being released.
• Near the center area is an inaccessible, L-shaped space, which can be seen by standing on thevending machine in the corner. The floor and walls are fully textured to match the rest of thestage, but the floor is not solid;sub weapons thrown in are never heard landing.
• The utility poles featured in the teams' bases are decorated with various license plates, many adorned with theSplash Mob andForge logos. It is unknown what purpose these license plates serve.
  • Before version2.0.0, two utility poles in the center of the stage featured the same license plates, but withShrimp Kicks andKrak-On advertising instead. They were removed in the update.
• Urchin Underpass's design and Japanese name are based on Jūjō-dōri (十条通, lit. Tenth Road) in Kyoto, near whichNintendo's headquarters are located.
• InSplatoon 3, one ofDeep Cut's dialogues about the stage references one of theSquid Sisters' dialogues from the first game.Frye, likeCallie, talks about securing the central area, whileShiver, likeMarie, thinks it is better to stage an attack from the alleys.
• InMario Kart 8 Deluxe, Urchin Underpass shares its Dutch name withEeltail Alley. It was later renamed in the Dutch version ofSplatoon 3.

Etymology

"Urchin" can relate to both a slang term referring to someone dirty and poor, as well as sea urchins, spiny sea creatures. "Underpass" is a passageway for passengers and cyclists beneath a road or railway, allowing them to reach the other side in safety.

Names in other languages

Language	Name	Meaning
Japanese	デカライン高架下 Dekarain Kōkashita	Deca-line("10th Street")[a] Underpass
Dutch	Forelviaduct[b]	Trout viaduct
	Knooppunt Kabeljauw[c]	Atlantic Cod Interchange
French	Passage Turbot	Turbot Pass
German	Dekabahnstation	Deca Trainstation
Italian	Periferia urbana	Suburbs
Russian	Район Дека Rayon Deka	Deca District
Spanish	Parque Viaducto	Viaduct park
Chinese (Simplified)	海星高架下[b] Hǎixīng Gāojiàxià	Starfish Underpassin
	十路通高架桥下[c] shí lù tōng gāojiàqiáo xià	Underneath 十路通 (shí lù tōng, lit. "ten-road-pass") viaduct
Chinese (Traditional)	海星高架下[b] Hǎixīng Gāojiàxià (Mandarin)	Starfish Underpassin
	十路通高架橋下[c] shí lù tōng gāojiàqiáo xià (Mandarin) sap6 lou6 tung1 gou1 gaa3 kiu4 haa6 (Cantonese)	Underneath 十路通 (shí lù tōng, lit. "ten-road-pass") viaduct
Korean	데카 라인 고가 밑 Deka lain goga mit
Portuguese (NOE)	Periferia Urbana[b]	Suburbs
Internal	Crank

References

Notes