|Rugged Ridge||Inkwell Isle Three's first of two platform levels. Unlocked after beating Honeycomb Herald. Unlocks Murine Corps, Porkrind's Emporium, the Mausoleum III, and Dramatic Fanatic upon defeat.|
|Perilous Piers||Inkwell Isle Three's second platforming level. Unlocked after beating Shootin N' Lootin. Unlocks the Mausoleum III, Porkrind's Emporium, Murine Corps and Dramatic Fanatic upon defeat.|
|Honeycomb Herald||A boss level where Rumor Honeybottoms is fought. One of the two levels initially available upon unlocking Inkwell Isle Three. Unlocks Rugged Ridge and Junkyard Jive! upon defeat.|
|Shootin N' Lootin||A boss level where Captain Brineybeard is fought. One of the two levels initially available upon unlocking Inkwell Isle Three. Unlocks Perilous Piers and High Seas Hi-Jinx! upon defeat.|
|Dramatic Fanatic||A boss level where Sally Stageplay is fought. Unlocked after beating Junkyard Jive!, High Seas Hi-Jinx!, Rugged Ridge, or Perilous Piers. Unlocks Railroad Wrath, and Murine Corps upon defeat.|
|Murine Corps||A boss level where Werner Werman is fought. Unlocked after beating Junkyard Jive!, High Seas Hi-Jinx!, Rugged Ridge, or Perilous Piers. Unlocks Dramatic Fanatic and shortcut upon defeat.|
|Junkyard Jive!||A boss level where Dr. Kahl's Robot is fought. Unlocked after beating Honeycomb Herald. Unlocks Dramatic Fanatic, Porkrind's Emporium, the Mausoleum III, and Murine Corps upon defeat.|
|High Seas Hi-Jinx!||A boss level where Cala Maria is fought. Unlocked after beating Shootin N' Lootin. Unlocks Dramatic Fanatic, Porkrind's Emporium the Mausoleum III and Murine Corps upon defeat.|
|Railroad Wrath||A boss level where the Phantom Express is fought. Unlocked after beating Dramatic Fanatic. Unlocks Inkwell Hell upon defeat.|
- Mountain Goats
- Pyro Heads
- Stone Lions
- Sludge Monster
- Grim Jr.
- Fishy Flyers
- Larnicle the Barnicle
- Crabby Clawsters
- Urban Urchins
- The Buoy Boys
- Kaptain Krustacean
- Perilous Pearl Shooters
- Shy Shrimp
This map's secret coin can be found behind the ticket cabin above the Mausoleum.
- This isle is the only Isle to have 7 bosses. The first two isles only had 5, while Inkwell Hell has 2.
- The entrance to the Devil's casino and Inkwell Hell is on the wrong side of the tracks just as described in the intro. The track used for the Phantom Express is right in front of it creating a visual pun.
- Inkwell Isle Three is the only Isle of the Inkwell Isles (excluding Inkwell Hell) where a cheery tune is not played, and instead a darker sounding piece is played consisting mostly of a low saxophone and drums. This is possibly foreshadowing that the player(s) is/are getting close to the Devil and King Dice.
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