Mr_Destiny on 04 June 2018
(I couldn't find an official Splatoon 1 thread so I'll post here)
Ever wondered if all the stages are connected Super Mario Sunshine-style? Well in the first game, it seems like they are!
Our friends over at SquidBoards did some major sleuthing and came up with some plausible world maps based on landmarks visible from multiplayer:
https://squidboards.com/threads/project-stage-locations-in-the-world-of-splatoon.19146/
Some of the distant landmarks can be better seen from Sc0tline's Flying Inkling series:
