Inkwell Isle Four is the new island featured in Cuphead: The Delicious Last Course.
|Recipe for Ms. Chalice||A tutorial explaining how to use Ms. Chalice's abilities.|
|Gnome Way Out||A boss level where Glumstone The Giant is fought. One of the two levels initially available upon unlocking Inkwell Isle Four. Unlocks Snow Cult Scuffle upon defeat.|
|Bootlegger Boogie||A boss level where the Moonshine Mob are fought. One of the two levels initially available upon unlocking Inkwell Isle Four. Unlocks High-Noon Hoopla upon defeat.|
|Doggone Dogfight||A boss level where The Howling Aces are fought. Unlocked after beating Snow Cult Scuffle, High-Noon Hoopla, or by the shortcut. Unlocks Snow Cult Scuffle and High-Noon Hoopla upon defeat.|
|Snow Cult Scuffle||A boss level where Mortimer Freeze is fought. Unlocked after beating Gnome Way Out or Doggone Dogfight. Unlocks Doggone Dogfight upon defeat.|
|High-Noon Hoopla||A boss level where Esther Winchester is fought. Unlocked after beating Bootlegger Boogie or Doggone Dogfight. Unlocks Doggone Dogfight upon defeat.|
|A Dish To Die For||A boss level where Chef Saltbaker is fought. Unlocked after beating every main boss in Inkwell Isle Four. Finishes the DLC upon defeat.|
|One Hell Of A Dream||A boss level where Angel and Demon are fought. Unlocked after solving the riddle given by the ghost detective and the clues given by the climbing contestants. Unlocks a quest to power up Broken Relic upon defeat.|
|The King's Leap|
|The King's Leap||A level where King of Games send out his champions to challenge you and reward coins. It is initially available upon unlocking Inkwell Isle Four and can change location to anywhere on this isle.|
This map's secret coin can be found at the end of the hidden path to the left. It is behind Porkrind's Emporium that also connects to the waterfall and can be accessed from there as well.
- This is the second overworld to not have a single Die House, Run 'n Gun, or Mausoleum level, with the first being Inkwell Hell.
- This is the second overworld to only feature one plane level, the first being Inkwell Isle One.
- This is the only overworld to feature two group boss levels, namely Bootlegger Boogie and Doggone Dogfight; all the other Inkwell Isles have one each.