Zero Suit Samus as she appears in Super Smash Bros. In the flashback of Ian Malkovich's death during her Galactic Federation Army days, Samus wears harness pants on her Zero Suit for unknown reasons. First, the lights on the back flash once, before a blast is fired from the breast sigil, and the Power Suit materializes. In Metroid: Other M, Samus in her Zero Suit demonstrates how the Power Suit is activated. She also holds the Paralyzer in a black holster on her right leg. Metroid: Other M's Zero Suit also bears different line markings, as well as larger (if impractical) wedge heels. The Metroid Prime 2: Echoes Zero Suit has lighter grey areas than the navy blue depicted in Zero Mission and Corruption. The Zero Suit in Metroid Prime Hunters does not possess gloves, has a glowing green line at the base of the neck, different line markings, and does not appear to have the breast sigil. When it receives another mental command, it releases the energy, which then reverts to its natural, corporeal form. It is likely that these are energy-matter converters, transforming the Power Suit and any upgrades into pure energy and storing it via a mental command. The Zero Suit appears to be of Chozo technology, as it is shown to have their symbol implanted on the back, breast and hand, and Samus is capable of equipping and removing the Power Suit via said symbols. It is possible that it is removed in a similar way to the Power Suit: by deforming at Samus' will. It is also unknown how Samus gets into and out of it, as the suit does not have any zippers or belts. It is unknown what the Zero Suit is made of, though it appears to be comprised of some sort of firm polymer that allows Samus to stretch in different positions while still holding together. In Zero Mission and Other M she also carries the Paralyzer with her, which briefly stuns her foes with an energy blast, but must recharge between shots. She retains Power Suit upgrades she has acquired, but is unable to manifest or use them in any way (with exception of Energy Tanks). In lieu of the Morph Ball, Samus navigates small paths by crawling on her hands and knees. She is capable of grabbing and hanging from ledges and performing Wall Jumps due to her already-present superhuman acrobatic skills from her Chozo DNA and training. While in this suit, Samus takes much more damage but is more agile. In Dread, aside from the standard game over sequence (see above), the only time the Zero Suit appears is during a flashback to Samus's infusion with Chozo DNA showcasing Raven Beak's presence and role in her getting Mawkin DNA, both in the Body Adaptation Machine and in a holographic display comparing Samus with Raven Beak.

This is the second time Samus can be played in the Zero Suit. Finally, after the credits, Samus removes her suit to hold his helmet, but not before the BOTTLE SHIP self-destructs as Zero Suit Samus runs to her Star Ship. When nearing Sector Zero, Samus comes across an Infant Metroid reminding her of her deceased Baby. However, she reactivates it as she falls. In the cutscene preceding the battle with Ridley, he grabs Samus and scrapes her against the wall, her suit deteriorating. The Zero Suit appears several more times in Other M. In Other M, Samus will fall to the ground, her suit disappearing when she hits ground. In Zero Mission, Samus' Power Suit disappears, before she leans back and her hair comes undone from its ponytail. The Zero Suit also appears in the Game Over sequences for Zero Mission, Other M, Samus Returns, and Dread. It seems to have replaced the Justin Bailey suit as the outfit worn by Samus in almost 100% of the endings with the lone exception of Samus Returns where the Justin Bailey outfit and the Ending Outfit from Fusion are shown in place of the Zero Suit by completing Hard Mode and Fusion Mode respectively.

Finally, it is seen in several instances in Metroid: Other M. In Metroid: Samus Returns it is the best ending of Normal Mode by completing the game under four hours. The Zero Suit is seen in five other Metroid games: in Metroid Prime 2: Echoes and Metroid Prime Hunters as part of the good endings, and at the beginning and 100% ending of Metroid Prime 3: Corruption. Luckily, Samus came across the Ruins Test during her infiltration mission, granting her a more advanced Power Suit than before. In order to re-escape from the planet, Samus needed to infiltrate this ship to find a small escape vessel-this is what was expected to be found within the ship at the very most. Samus crash-landed onto the surface of the planet nearby the Space Pirate Mother Ship, stripped of her Power Suit. While in orbit, Samus's Starship was shot down by a fleet of Space Pirate ships. The suit first appeared in Metroid: Zero Mission after Samus initially escaped from the surface of Zebes.

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