Saving to the amiibo in the gear selection screen grants the player all the rewards and the ability to immediately switch to the gear and weapon they had equipped while saving.

The Octoling has darker skin than the Inkling amiibo (the seventh skin tone in Splatoon 3 for the figure itself, but the eighth skin tone in-game), blue ink and tentacles (with an "Octolocks" hairstyle), red irises with a light blue ring, and classic shorts (like the default legwear in the original Splatoon).She wears the Agent 8 outfit from the Octo Expansion along with the unique backpack-like ink tank, and poses with an E-liter 4K. To celebrate the new DLC, the three new amiibo are all Octoling-inspired including a Octoling boy, Octoling girl and an Octoling octopus. It can be purchased individually or in a pack of three with the Octoling (Blue) and Smallfry amiibo. It can be purchased individually or in a pack of three with the Inkling Boy 2 and Inkling Squid 2 amiibo in North America. He appears to be based on the male Inkling most commonly used to advertise the game, such as on the front cover and for commercials, along with the default boy Inkling.

The rewards given by the Inkling Girl 2 amiibo are almost identical, minus the song, while the School Cardigan has been split into the School Cardigan A and School Cardigan B, and the Fringed Loafers have been split into the Baggy-Sock Fringe Loafs and Base Fringed Loafers. When summoning Wisp, the player can tap a compatible amiibo for him to take the form of the villager it is associated with. The Smallfry has the default hairstyle and is depicted leaping out of turquoise ink, surrounded by two Power Eggs. The Splatoon 2 variant of the Inkling Girl also unlocks a squid pattern and an ink splotch pattern for purses and shirts. Tap an amiibo while playing compatible Nintendo Switch, Nintendo 3DS or Wii U software and you’ll uncover surprising new features!When tapped on the area selection screen, the amiibo will appear in-game on top of a Secret Spot level. The Octoling Girl figure is a character figure available in the Splatoon collection of amiibo figures.

In Mario Kart 8 Deluxe, the Inkling Girl and Inkling Boy characters' appearances are based on their amiibo counterparts from Splatoon, including the recolors. Amiibo are a series of Nintendo character toys that interact with multiple games on the Nintendo Wii U and 3DS consoles. The Inkling Squid 2 amiibo can be used in Splatoon, which identifies it as its original counterpart (with the original iteration's color). Instead, Nintendo will continue to release free updates to Splatoon 2's weapons, stages, and gear through the end of the year.In Splatoon 3, the Inkling Boy and Inkling Boy 2 amiibo again share the same dialogue and features, but the game differentiates between them. The Octoling (Blue) amiibo is not identified by Splatoon, and is treated like a non- Splatoon amiibo. The Pearl amiibo has its crown, leggings and ink glow, while the Marina amiibo has its leggings and pupils glow. In Splatoon, the Inkopolis Plaza out of bounds glitch reveals that the back of the amiibo box at the southeastern corner does have a texture and looks like the back of real amiibo packaging, except the words are written in Inkling. It was released as a three-pack along with the Octoling Boy and Octoling Octopus, as well as separately.