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Air Bubbles

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Air Bubble
Air Bubbles Sonic Generations Title Card
Air Bubbles as seen in Sonic Generations.
Statistics and Overview
First appearance

Sonic the Hedgehog (1991)

Other appearances
  • Giving oxygen to playable character while underwater.
  • Absorbing the playable character inside them.

Bubbles of the air that rise up in small clusters.

Air Bubbles (気泡 Kihō?) are large bubbles filled with oxygen that appear in the Sonic the Hedgehog series. Air bubbles usually appear in underwater-themed levels where they are seen periodically rising in small clusters from cracks in the floor. These bubbles provided extra air for the playable character to breathe, and are needed by the player to survive being underwater for longer periods of time. Without using air bubbles underwater, the playable character will eventually drown, thus causing the player to lose a life.

The air bubbles first appeared in Sonic the Hedgehog, and have since then appeared in almost every water-themed level in the Sonic the Hedgehog series. While the air bubbles' purpose and functions have remained the same in all games, there has also been cases in several games where they have aided the player in other ways.


Air Bubbles Sprite

Sprite of air bubbles.

Air bubbles are always found in sections of the Zones that are submerged in water; though, they do not appear in all underwater sections. In these sections, air bubbles can usually be found emerging periodically from the ground in small clusters. In cases such as Carnival Night Zone Act 2 though, air bubbles can also found by popping balloons whilst underwater. Once an air bubble has emerged, it starts rising up to the surface until it reaches it or simply disperses.

When a playable character has to stay underwater for longer periods of time without drowning, the player has to make the playable character make physical contact with an air bubble, before said playable character drowns. This will make the playable character automatically inhale the air bubble and cause it to vanish, thus restoring the playable character's oxygen supply, and extend the time the player can remain underwater. The extended time underwater that air bubbles grant the player is limited though, and the playable character will eventually start to run out of air once more.

While numerous air bubbles of all sizes are always released from their point of origin, it is only the biggest of them that the player can use to restore the playable character's oxygen supply, while the smaller ones goes unnoticed by the playable character. As such, the player often has to wait until a large enough air bubble pops out of the ground to be inhaled.

Air bubbles are not necessarily needed by the player when passing through underwater sections, and a player can make it through a Zone without using them at all. However, because some underwater pathways in the Zones can be so long that the playable character cannot make it through them without getting at least one fresh supply of oxygen, air bubbles are usually necessary for the player's survival underwater.

Countdown sequence

Nightmare fuel right from your childhood

Sonic drowns after the countdown sequence.

In numerous games in the series, including earlier main games for the Sega Genesis, if the player is in an underwater section and does not get an air bubble within eighteen seconds, the countdown sequence will start. A small two-note jingles can be heard between five, ten, and fifteen seconds before the countdown sequence. When the countdown sequence begins, the game will display a countdown from five to zero on the screen. If the player does not get an air bubble or get back to the surface before the alarm music ends and counter reaches zero, then a second later, the playable character will drown and the player loses a life.

The alarm music that signifies that the player is about to drown was originally composed by sound programmer Yukifumi Makino, and has since then been used in numerous installments through the series. The following audio track presents how the alarm music sound like in both the 16-bit version of the original Sonic the Hedgehog and Sonic the Hedgehog 2:

Length Artist Music Track
Yukifumi Makino

Other game appearanes

In Soviet Russia, Air Bubble inhales you!

Sonic being absorbed inside the Air Bubble in Sonic the Hedgehog Triple Trouble.

Though the air bubbles functions and purpose have remained constant throughout the majority of the Sonic the Hedgehog series, there has been some cases in the games where they have had other functions. In games such as the 8-bit version of Sonic the Hedgehog 2, Sonic Chaos and Sonic the Hedgehog Triple Trouble, there are larger air bubbles that can surround the player. Whilst inside this type of air bubble, the player cannot drown and will float slowly to the surface, while the player can move left and right as well as changing the speed of ascent by pressing up or down. This bubble can be popped by jumping out of it, hitting spikes/hazards and, in Sonic Chaos only, colliding with a wall. Also, in Water Palace in Sonic Generations for the Nintendo 3DS, there is a gimmick where player can rotate the wheel to create large air bubbles for the playable character to bounce on to get to the other side of stage.

Sonic Chronicles: The Dark Brotherhood

Air Bubbles appeared in the last chapter of Sonic Chronicles: The Dark Brotherhood when Team Sonic and Tails enters Perfect Charyb's lair of Nocturne. Perfect Charyb appears and floods the lair with water. While moving around the submerged lair, the player's party will gradually lose POW Points (PP). The player can refill their PP using the air bubbles. Once a character's PP reaches zero, that character's HP will then deplete until it reaches one.

Apperances in other media

Adventures of Sonic the Hedgehog

In the episode "Robotnik Jr." of Adventures of Sonic the Hedgehog, after Doctor Robotnik and his son manages to drop Sonic in the sewer, who later inhales air bubbles to survive underwater for a longer period of time.

Sonic X

An air bubble appears in the episode "The Light in the Darkness" of the anime series Sonic X. It helped Sonic and Amy out of Final Mova.

Archie Comics

In the Archie ComicsSonic the Hedgehog Miniseries #1, Sonic was about to drown after keeping himself from being pulled into an underwater Roboticizer by Jaws. Fortunately, thanks to a distraction provided by Tails and Rotor in the Bathysphere, Sonic was able to get some air from some air bubbles they made, and destroyed the Roboticizer.


  • In most of 3D games, the player instantly dies when falling into the water. He/She can, however, run across the water at a certain speed and at right angles.
  • Despite that Sonic Rush Adventure has underwater sections, it does not have any air bubbles.
  • There are certain games in the series, which don't feature the infamous alarm music at all. Many of those games include Master System and Game Gear games, while as it isn't featured in Sonic the Hedgehog CD, where instead eerie bubbling sound starts playing in the background during the countdown. At Water Palace in the Nintendo 3DS version of Sonic Generations, the alarm music isn't featured as well.

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