First installment of the [[Splatoon (series)|]] series, released in 2015 for the [[Wii U]].

There are two major gameplay modes: [b]multiplayer[/b], where the player joins a team and must play against another team and cover the majority of the map with their team's ink while trying to maintain their own designated base by keeping it covered as well, and [b]Hero Mode[/b], where the player follows the story and must clear various stages while battling enemies and bosses as [[Agent 3 (splatoon)|]] of the newly formed [[Squidbeak Splatoon]].

h4. Characters

h5. NPC Characters

* [[Callie (splatoon)|]]
* [[Marie (splatoon)|]]
* [[Spyke (splatoon)|]]
* [[Annie (splatoon)|]]
* [[Moe (splatoon)|]]
* [[Crusty Sean]]
* [[Jelonzo (splatoon)|]]
* [[Sheldon (splatoon)|]]
* [[Judd (splatoon)|]]
* [[Cap'n Cuttlefish]]
* [[Jellyfish (splatoon)|]]
* [[Zapfish]]

h5. Band Characters

h6. Squid Squad

* [[NAMIDA (splatoon)|]]
* [[ICHIYA (splatoon)|]]
* [[IKKAN (splatoon)|]]
* [[MURASAKI (splatoon)|]]

h6. ABXY (Chirpy Chips)

* [[Shikaku (splatoon)|]]
* [[Raian (splatoon)|]]
* [[Harmony (splatoon)|]]
* [[Noisy (splatoon)|]]

h6. Hightide Era

* [[Taka (splatoon)|]]
* [[Kuze (splatoon)|]]
* [[Nishida (splatoon)|]]

h5. Antagonists

* [[Octarian (enemy)|]]
** [[Octotrooper]]
** [[Octoball]]
** [[Octobomber]]
** [[Octosniper]]
** [[Takozonesu]] (Octoling/Octozon)
** [[DJ Octavio]]

h5. Other

* [[Ammoses Shellendorf]]

h4. See also

* [[List of weapons in Splatoon]]
* [[Splatoon 2]]
* [[Splatoon 3]]
* [[Mario Kart 8]]