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The Gravity Suit (グラビティスーツ Gurabiti Sūtsu) (Gravity Feature in Metroid: Other M) is an upgrade for Samus Aran's Power Suit. As its name implies, the Gravity Suit's primary function is to negate extreme gravitational effects around its wearer, such as zero gravity in space.
Usually obtained after the Varia Suit, the Gravity Suit enhancement turns the orange sections of Samus’ armor purple, and often changes its visor and lights to blue. The version found in Metroid: Samus Returns took the changes a step further, with the purple extending to some of the midsection, while additional blue lights were added to the shoulder and thigh armor.
When wearing it, Samus is able to move unhindered in environments with abnormal gravity, and negates the resistance that would normally be exerted on her in liquid environments. Depending on the version, the Gravity Suit may also impart additional properties: The model found in Metroid Prime also gave Samus a clearer view while underwater, whereas in Super Metroid, Metroid Fusion, Zero Mission, and Samus Returns the upgrade reduced the damage she took to a greater extent than the Varia alone, and negated damage sustained from contacting magma. In Super Metroid, Metroid: Other M, Metroid: Zero Mission and Metroid: Samus Returns, it was the final suit Samus acquired.
Other M's Gravity Feature had the same gravity-negating property of the typical Gravity Suit, but did not change the appearance of the Power Suit itself: Instead, the suit only generated a pinkish aura when in use, in a manner similar to the Space Pirates' Hazard Shield in Metroid Prime 3: Corruption.
The following chart details the benefits bestowed by the Gravity Suit in each game:
|Game||Damage reduction||Other benefits|
|Metroid: Zero Mission||50%||Allows free movement underwater and provides protection from magma.|
|Metroid: Samus Returns||50%||Allows free movement in liquids, protects Samus from magma, and cuts damage by half.|
Allows free movement and full sight in liquids
|Super Metroid||25%*||Allows free movement underwater and provides protection from magma. (Upper Norfair)|
|Metroid: Other M||75%||Negates high and low gravity effects (including water).|
|Metroid Fusion||70%||Allows free movement underwater and provides protection from magma.|
*Note that the Gravity Suit alone provides only 25% damage reduction, but when combined with the Varia Suit, the damage reduction is increased to 75%. Other numbers represent total reduction, as in other games, Samus cannot use the Gravity Suit without the Varia Suit.
|Super Metroid manual:"This suit reduces the damage from enemy attacks to one fourth and allows you to move freely in water-filled areas."
The Gravity Suit eliminates the effects of liquid on movement.
This modification improves your defensive shielding.
In other mediaEdit
Super Smash Bros. BrawlEdit
"A Power Suit that provides even more damage protection than the Varia Suit. This Gravity Suit also allows Samus to move without water resistance when underwater. In most games in the series, this suit also blocks lava damage and friction. In addition, it allows Samus to use item bonuses like the High Jump, Space Jump, and Speed Booster, even when underwater or in lava."
- Samus (Gravity Suit)
- "Power Suits aren't known for being good in water, so if you're the aquatic type, what you need is a Gravity Suit. This stylish, glowing suit upgrade not only completely nullifies fluid resistance— making moving underwater a breeze—but also reduces damage and improves your underwater vision. What more could you ask for?"
The PAL version of this description is slightly different: "Power Suits aren't known for being good in water, so if you're the aquatic type, what you need is a Gravity Suit. This stylish purple suit upgrade not only completely nullifies fluid resistance, making moving underwater a breeze, but also lets you see better underwater and even reduces damage. What more could you ask for?!"
- Super Metroid (SNES, 1994)
- Super Smash Bros. (N64, 1999)
- Super Smash Bros. Melee (GCN, 2001)
- Metroid Fusion (GBA, 2002)
- Metroid Prime (GCN, 2002)
- Metroid: Zero Mission (GBA, 2004)
- Super Smash Bros. Brawl (Wii, 2008)
- New Play Control! Metroid Prime (Wii, Japan-only 2009)
- Metroid Prime Trilogy (Wii, 2009)
- Metroid: Other M (Wii, 2010)
- Nintendo Land (Wii U, 2012)
- Metroid: Samus Returns (3DS, 2017)
- Despite ending Metroid: Zero Mission and Metroid Prime with the Gravity Suit, Samus starts their sequels with the Varia Suit.
- In Super Smash Bros. Brawl's adventure mode, Zero Suit Samus and Pikachu encounter two purple clones of the Power Suit. Their purple color is similar to the Gravity Suit.
- As it becomes further corrupted, the PED Suit and Hazard Shield begin to turn purple, resembling the Gravity Suit.
- Space Pirates seem to have copied Gravity Suit technology, as scans in Metroid Prime claim that Aqua Pirates used Gravity Suit technology to survive underwater. Also, in Super Metroid, the Pink Space Pirates in the underwater region of Maridia may use this technology.
- In Metroid Prime, what accents would be green with the Varia Suit (the circle on the back of Samus' hand, her visor, the lights on her legs, and the grooves of her shoulder pads) turn blue with the Gravity Suit, but in the other games they are green. In Other M, they are pink.
- In the final cutscene of Prime, the Gravity Suit is shown with the green accents of the Varia suit, rather than the blue accents used throughout the game. It also has the Varia Suit's more pronounced pauldron indentations, and lacks the Gravity Suit's usual bright purple reflections. This is likely because Samus' helmetless model was based on the Varia Suit, and later retextured improperly in an attempt to make it match the Gravity Suit.
- According to unused text in a beta build, the Gravity Suit in Prime was intended to protect against magma. It is unknown why this function was removed. 
- In Super Metroid, if one was to take off the Varia Suit and obtain the Gravity Suit, the Power Suit wil actually have the Gravity Suit's colors before switching to the proper sprites. This happens the same way when obtaining the Varia Suit (albeit orange instead of purple).
- Strangely, the Gravity Suit alone doesn't give Samus the Varia Suit's dimensions in the status screen.
- In Metroid: Other M, the Gravity Feature does not change the color of Samus' suit. Only when its gravity-altering powers are in effect, the suit gains a purple aura and turns her visor, chest plate, shoulder plate, Arm Cannon's green lining, and the hind knee joints lights pink. It negates the extreme gravity in certain areas of the Cryosphere near Sector Zero, but it does not protect Samus from magma damage. The Gravity Feature also protects Samus from air currents when an area of the ship is decompressing, seen in the Control Bridge when she fights Phantoon. It should be noted that the Gravity Feature's damage reduction will always take place, even if the aura is not active.
- The reason why the Gravity Suit coloration in Other M is different is because of Yoshio Sakamoto's creative preferences. When he saw purple-colored Suit in serious-toned cutscenes, namely, Dr. Madeline Bergman's explanation of the conspiracy, he found that the purple Suit's presence in a serious scene was silly and asked for the change.
- Metroid's manual also depicted an aura around the Varia Suit, although it was colored yellow instead.
- The SA-X may have possessed the Gravity Feature from Other M, but it does not have the pink accents present in the decompressing Docking Bays when it and Samus fight the Omega Metroid.
- In Metroid Prime, several Sequence Breaks can be performed to skip the Gravity Suit. The Gravity Suit can also be gained before the Varia Suit by passing through the Twin Fires Tunnel without the Spider Ball. If the Gravity Suit is skipped and Samus kills the Omega Pirate, the Phazon Suit acquisition cutscene will depict Samus wearing the Gravity Suit when it should be the Phazon Suit. When the cutscene is over, the color scheme will revert to Phazon. The same applies to acquiring the Gravity Suit before the Varia Suit: Samus will appear to gain the Varia Suit, but it then reverts to the Gravity Suit.
- Similarly, if the Gravity Suit is skipped in Super Metroid, she will still be wearing it in the ending.
- If Samus has the Gravity Suit acquired before the Spider Ball, the Morph Ball still looks as though she wears the Varia Suit.
- In Metroid Prime, the Gravity Suit was modeled and skinned by Gene Kohler.
- There is a machine at the bottom of Nightmare's Room that resembles the Gravity Suit powerup from Super Metroid. This fact may refer to the Suit being the reward for defeating Nightmare in Fusion, or a cross-reference to the creature's gravity manipulating powers.
- Interestingly enough, Samus does not use the Gravity Suit to survive Bomad's gravity bomb in Samus and Joey, instead using her Morph Ball.
- The Gravity Suit is commonly depicted visually as a Varia Suit with purple over yellow instead of orange over yellow
- Here are the following exceptions
- In Metroid Fusion, It looks exactly like the other suits physically except for the dark purple over teal (magenta in Samus Returns)
- In Metroid: Samus Returns, the Gravity Suit looks almost completely different from the Varia Suit. (Ex. The different configuration of the lights on the thighs and shoulder pads.)
- Here are the following exceptions
|Samus Aran's Suits|
|Power Suits||Power Suit • Varia Suit (Varia) • Gravity Suit • Zero Suit • Justin Bailey • Phazon Suit • Dark Suit • Light Suit • Fusion Suit • PED Suit • Hazard Shield • "Unnamed Suit" • Fully Powered Suit|
|Attire||Ending Outfit • Military Dress • Civilian Clothes • Parka|
|Mechanics||Power Suit Mechanics • Fusion Suit Mechanics • Suit Upgrade Properties|